Home / 437,600.20-656,400.30-105,176.20

Finding the Fourth Proportional to 437,600.20, 656,400.30 and 105,176.20

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Solution

The fourth proportional to 437,600.20, 656,400.30 and 105,176.20 is: 157,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,600.20 : 656,400.30 = 105,176.20 : x
  2. Step 2: Convert to fraction form
    437,600.20/656,400.30 = 105,176.20/x
  3. Step 3: Cross multiply
    437,600.20x = 656,400.30 × 105,176.20
  4. Step 4: Simplify right side
    437,600.20x = 69,037,689,232.86
  5. Step 5: Solve for x
    x = 69,037,689,232.86/437,600.20
  6. Step 6: Final answer
    x = 157,764.30

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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.