Home / 140,508.52-193,903.29-76,844.95

Finding the Fourth Proportional to 140,508.52, 193,903.29 and 76,844.95

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Solution

The fourth proportional to 140,508.52, 193,903.29 and 76,844.95 is: 106,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,508.52 : 193,903.29 = 76,844.95 : x
  2. Step 2: Convert to fraction form
    140,508.52/193,903.29 = 76,844.95/x
  3. Step 3: Cross multiply
    140,508.52x = 193,903.29 × 76,844.95
  4. Step 4: Simplify right side
    140,508.52x = 14,900,489,446.96
  5. Step 5: Solve for x
    x = 14,900,489,446.96/140,508.52
  6. Step 6: Final answer
    x = 106,046.87

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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.