Home / 142,015.23-196,809.50-140,010.75

Finding the Fourth Proportional to 142,015.23, 196,809.50 and 140,010.75

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Solution

The fourth proportional to 142,015.23, 196,809.50 and 140,010.75 is: 194,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,015.23 : 196,809.50 = 140,010.75 : x
  2. Step 2: Convert to fraction form
    142,015.23/196,809.50 = 140,010.75/x
  3. Step 3: Cross multiply
    142,015.23x = 196,809.50 × 140,010.75
  4. Step 4: Simplify right side
    142,015.23x = 27,555,445,702.13
  5. Step 5: Solve for x
    x = 27,555,445,702.13/142,015.23
  6. Step 6: Final answer
    x = 194,031.62

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Half scale
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Double scale
Find fourth proportional to 142,016.23, 196,810.89 and 140,011.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.