Home / 150,711.12-207,983.49-82,726.85

Finding the Fourth Proportional to 150,711.12, 207,983.49 and 82,726.85

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Solution

The fourth proportional to 150,711.12, 207,983.49 and 82,726.85 is: 114,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,711.12 : 207,983.49 = 82,726.85 : x
  2. Step 2: Convert to fraction form
    150,711.12/207,983.49 = 82,726.85/x
  3. Step 3: Cross multiply
    150,711.12x = 207,983.49 × 82,726.85
  4. Step 4: Simplify right side
    150,711.12x = 17,205,818,979.71
  5. Step 5: Solve for x
    x = 17,205,818,979.71/150,711.12
  6. Step 6: Final answer
    x = 114,164.23

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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.