Home / 150,151.16-207,208.68-93,562.76

Finding the Fourth Proportional to 150,151.16, 207,208.68 and 93,562.76

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Solution

The fourth proportional to 150,151.16, 207,208.68 and 93,562.76 is: 129,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,151.16 : 207,208.68 = 93,562.76 : x
  2. Step 2: Convert to fraction form
    150,151.16/207,208.68 = 93,562.76/x
  3. Step 3: Cross multiply
    150,151.16x = 207,208.68 × 93,562.76
  4. Step 4: Simplify right side
    150,151.16x = 19,387,015,996.76
  5. Step 5: Solve for x
    x = 19,387,015,996.76/150,151.16
  6. Step 6: Final answer
    x = 129,116.66

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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.