Home / 150,439.50-207,700.89-96,817.71

Finding the Fourth Proportional to 150,439.50, 207,700.89 and 96,817.71

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Solution

The fourth proportional to 150,439.50, 207,700.89 and 96,817.71 is: 133,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,439.50 : 207,700.89 = 96,817.71 : x
  2. Step 2: Convert to fraction form
    150,439.50/207,700.89 = 96,817.71/x
  3. Step 3: Cross multiply
    150,439.50x = 207,700.89 × 96,817.71
  4. Step 4: Simplify right side
    150,439.50x = 20,109,124,534.76
  5. Step 5: Solve for x
    x = 20,109,124,534.76/150,439.50
  6. Step 6: Final answer
    x = 133,669.18

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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.