Home / 165,018.38-227,728.02-89,566.88

Finding the Fourth Proportional to 165,018.38, 227,728.02 and 89,566.88

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Solution

The fourth proportional to 165,018.38, 227,728.02 and 89,566.88 is: 123,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,018.38 : 227,728.02 = 89,566.88 : x
  2. Step 2: Convert to fraction form
    165,018.38/227,728.02 = 89,566.88/x
  3. Step 3: Cross multiply
    165,018.38x = 227,728.02 × 89,566.88
  4. Step 4: Simplify right side
    165,018.38x = 20,396,888,239.98
  5. Step 5: Solve for x
    x = 20,396,888,239.98/165,018.38
  6. Step 6: Final answer
    x = 123,603.74

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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.