Home / 437,226.60-655,839.90-156,772.20

Finding the Fourth Proportional to 437,226.60, 655,839.90 and 156,772.20

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Solution

The fourth proportional to 437,226.60, 655,839.90 and 156,772.20 is: 235,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,226.60 : 655,839.90 = 156,772.20 : x
  2. Step 2: Convert to fraction form
    437,226.60/655,839.90 = 156,772.20/x
  3. Step 3: Cross multiply
    437,226.60x = 655,839.90 × 156,772.20
  4. Step 4: Simplify right side
    437,226.60x = 102,817,463,970.78
  5. Step 5: Solve for x
    x = 102,817,463,970.78/437,226.60
  6. Step 6: Final answer
    x = 235,158.30

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1.5x scale

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.