Home / 117,926.20-176,630.10-71,097.40

Finding the Fourth Proportional to 117,926.20, 176,630.10 and 71,097.40

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Solution

The fourth proportional to 117,926.20, 176,630.10 and 71,097.40 is: 106,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,926.20 : 176,630.10 = 71,097.40 : x
  2. Step 2: Convert to fraction form
    117,926.20/176,630.10 = 71,097.40/x
  3. Step 3: Cross multiply
    117,926.20x = 176,630.10 × 71,097.40
  4. Step 4: Simplify right side
    117,926.20x = 12,557,940,871.74
  5. Step 5: Solve for x
    x = 12,557,940,871.74/117,926.20
  6. Step 6: Final answer
    x = 106,489.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.