Home / 119,748.68-165,263.02-66,044.20

Finding the Fourth Proportional to 119,748.68, 165,263.02 and 66,044.20

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Solution

The fourth proportional to 119,748.68, 165,263.02 and 66,044.20 is: 91,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,748.68 : 165,263.02 = 66,044.20 : x
  2. Step 2: Convert to fraction form
    119,748.68/165,263.02 = 66,044.20/x
  3. Step 3: Cross multiply
    119,748.68x = 165,263.02 × 66,044.20
  4. Step 4: Simplify right side
    119,748.68x = 10,914,663,945.48
  5. Step 5: Solve for x
    x = 10,914,663,945.48/119,748.68
  6. Step 6: Final answer
    x = 91,146.42

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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.