Home / 437,447.10-656,170.65-156,927.90

Finding the Fourth Proportional to 437,447.10, 656,170.65 and 156,927.90

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Solution

The fourth proportional to 437,447.10, 656,170.65 and 156,927.90 is: 235,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,447.10 : 656,170.65 = 156,927.90 : x
  2. Step 2: Convert to fraction form
    437,447.10/656,170.65 = 156,927.90/x
  3. Step 3: Cross multiply
    437,447.10x = 656,170.65 × 156,927.90
  4. Step 4: Simplify right side
    437,447.10x = 102,971,482,146.14
  5. Step 5: Solve for x
    x = 102,971,482,146.14/437,447.10
  6. Step 6: Final answer
    x = 235,391.85

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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.