Home / 172,176.20-237,535.14-99,565.76

Finding the Fourth Proportional to 172,176.20, 237,535.14 and 99,565.76

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Solution

The fourth proportional to 172,176.20, 237,535.14 and 99,565.76 is: 137,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,176.20 : 237,535.14 = 99,565.76 : x
  2. Step 2: Convert to fraction form
    172,176.20/237,535.14 = 99,565.76/x
  3. Step 3: Cross multiply
    172,176.20x = 237,535.14 × 99,565.76
  4. Step 4: Simplify right side
    172,176.20x = 23,650,366,740.81
  5. Step 5: Solve for x
    x = 23,650,366,740.81/172,176.20
  6. Step 6: Final answer
    x = 137,361.42

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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.