Home / 243,780.13-365,646.60-75,255.04

Finding the Fourth Proportional to 243,780.13, 365,646.60 and 75,255.04

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Solution

The fourth proportional to 243,780.13, 365,646.60 and 75,255.04 is: 112,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,780.13 : 365,646.60 = 75,255.04 : x
  2. Step 2: Convert to fraction form
    243,780.13/365,646.60 = 75,255.04/x
  3. Step 3: Cross multiply
    243,780.13x = 365,646.60 × 75,255.04
  4. Step 4: Simplify right side
    243,780.13x = 27,516,749,508.86
  5. Step 5: Solve for x
    x = 27,516,749,508.86/243,780.13
  6. Step 6: Final answer
    x = 112,875.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.