Home / 117,534.34-162,200.68-69,139.88

Finding the Fourth Proportional to 117,534.34, 162,200.68 and 69,139.88

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Solution

The fourth proportional to 117,534.34, 162,200.68 and 69,139.88 is: 95,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534.34 : 162,200.68 = 69,139.88 : x
  2. Step 2: Convert to fraction form
    117,534.34/162,200.68 = 69,139.88/x
  3. Step 3: Cross multiply
    117,534.34x = 162,200.68 × 69,139.88
  4. Step 4: Simplify right side
    117,534.34x = 11,214,535,175.52
  5. Step 5: Solve for x
    x = 11,214,535,175.52/117,534.34
  6. Step 6: Final answer
    x = 95,414.97

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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.