Home / 165,034.12-227,751.78-89,587.48

Finding the Fourth Proportional to 165,034.12, 227,751.78 and 89,587.48

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Solution

The fourth proportional to 165,034.12, 227,751.78 and 89,587.48 is: 123,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,034.12 : 227,751.78 = 89,587.48 : x
  2. Step 2: Convert to fraction form
    165,034.12/227,751.78 = 89,587.48/x
  3. Step 3: Cross multiply
    165,034.12x = 227,751.78 × 89,587.48
  4. Step 4: Simplify right side
    165,034.12x = 20,403,708,035.71
  5. Step 5: Solve for x
    x = 20,403,708,035.71/165,034.12
  6. Step 6: Final answer
    x = 123,633.27

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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.