Home / 160,921.17-222,073.65-89,305.83

Finding the Fourth Proportional to 160,921.17, 222,073.65 and 89,305.83

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Solution

The fourth proportional to 160,921.17, 222,073.65 and 89,305.83 is: 123,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,921.17 : 222,073.65 = 89,305.83 : x
  2. Step 2: Convert to fraction form
    160,921.17/222,073.65 = 89,305.83/x
  3. Step 3: Cross multiply
    160,921.17x = 222,073.65 × 89,305.83
  4. Step 4: Simplify right side
    160,921.17x = 19,832,471,634.38
  5. Step 5: Solve for x
    x = 19,832,471,634.38/160,921.17
  6. Step 6: Final answer
    x = 123,243.40

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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.