Home / 117,862.90-162,654.28-64,151.39

Finding the Fourth Proportional to 117,862.90, 162,654.28 and 64,151.39

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Solution

The fourth proportional to 117,862.90, 162,654.28 and 64,151.39 is: 88,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,862.90 : 162,654.28 = 64,151.39 : x
  2. Step 2: Convert to fraction form
    117,862.90/162,654.28 = 64,151.39/x
  3. Step 3: Cross multiply
    117,862.90x = 162,654.28 × 64,151.39
  4. Step 4: Simplify right side
    117,862.90x = 10,434,498,397.71
  5. Step 5: Solve for x
    x = 10,434,498,397.71/117,862.90
  6. Step 6: Final answer
    x = 88,530.82

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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.