Home / 140,016.56-193,237.44-86,300.20

Finding the Fourth Proportional to 140,016.56, 193,237.44 and 86,300.20

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Solution

The fourth proportional to 140,016.56, 193,237.44 and 86,300.20 is: 119,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,016.56 : 193,237.44 = 86,300.20 : x
  2. Step 2: Convert to fraction form
    140,016.56/193,237.44 = 86,300.20/x
  3. Step 3: Cross multiply
    140,016.56x = 193,237.44 × 86,300.20
  4. Step 4: Simplify right side
    140,016.56x = 16,676,429,236.39
  5. Step 5: Solve for x
    x = 16,676,429,236.39/140,016.56
  6. Step 6: Final answer
    x = 119,103.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.