Home / 161,949.17-223,490.25-90,333.83

Finding the Fourth Proportional to 161,949.17, 223,490.25 and 90,333.83

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Solution

The fourth proportional to 161,949.17, 223,490.25 and 90,333.83 is: 124,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,949.17 : 223,490.25 = 90,333.83 : x
  2. Step 2: Convert to fraction form
    161,949.17/223,490.25 = 90,333.83/x
  3. Step 3: Cross multiply
    161,949.17x = 223,490.25 × 90,333.83
  4. Step 4: Simplify right side
    161,949.17x = 20,188,730,250.16
  5. Step 5: Solve for x
    x = 20,188,730,250.16/161,949.17
  6. Step 6: Final answer
    x = 124,660.91

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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.