Home / 140,412.32-193,702.80-83,012.96

Finding the Fourth Proportional to 140,412.32, 193,702.80 and 83,012.96

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Solution

The fourth proportional to 140,412.32, 193,702.80 and 83,012.96 is: 114,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,412.32 : 193,702.80 = 83,012.96 : x
  2. Step 2: Convert to fraction form
    140,412.32/193,702.80 = 83,012.96/x
  3. Step 3: Cross multiply
    140,412.32x = 193,702.80 × 83,012.96
  4. Step 4: Simplify right side
    140,412.32x = 16,079,842,788.29
  5. Step 5: Solve for x
    x = 16,079,842,788.29/140,412.32
  6. Step 6: Final answer
    x = 114,518.75

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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.