Home / 119,932.01-165,508.75-66,220.42

Finding the Fourth Proportional to 119,932.01, 165,508.75 and 66,220.42

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Solution

The fourth proportional to 119,932.01, 165,508.75 and 66,220.42 is: 91,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,932.01 : 165,508.75 = 66,220.42 : x
  2. Step 2: Convert to fraction form
    119,932.01/165,508.75 = 66,220.42/x
  3. Step 3: Cross multiply
    119,932.01x = 165,508.75 × 66,220.42
  4. Step 4: Simplify right side
    119,932.01x = 10,960,059,104.23
  5. Step 5: Solve for x
    x = 10,960,059,104.23/119,932.01
  6. Step 6: Final answer
    x = 91,385.60

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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.