Home / 165,023.88-227,737.08-89,572.20

Finding the Fourth Proportional to 165,023.88, 227,737.08 and 89,572.20

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Solution

The fourth proportional to 165,023.88, 227,737.08 and 89,572.20 is: 123,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,023.88 : 227,737.08 = 89,572.20 : x
  2. Step 2: Convert to fraction form
    165,023.88/227,737.08 = 89,572.20/x
  3. Step 3: Cross multiply
    165,023.88x = 227,737.08 × 89,572.20
  4. Step 4: Simplify right side
    165,023.88x = 20,398,911,277.18
  5. Step 5: Solve for x
    x = 20,398,911,277.18/165,023.88
  6. Step 6: Final answer
    x = 123,611.88

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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.