Home / 123,332.61-170,057.12-91,113.85

Finding the Fourth Proportional to 123,332.61, 170,057.12 and 91,113.85

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Solution

The fourth proportional to 123,332.61, 170,057.12 and 91,113.85 is: 125,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.61 : 170,057.12 = 91,113.85 : x
  2. Step 2: Convert to fraction form
    123,332.61/170,057.12 = 91,113.85/x
  3. Step 3: Cross multiply
    123,332.61x = 170,057.12 × 91,113.85
  4. Step 4: Simplify right side
    123,332.61x = 15,494,558,725.75
  5. Step 5: Solve for x
    x = 15,494,558,725.75/123,332.61
  6. Step 6: Final answer
    x = 125,632.29

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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.