Home / 140,034.14-193,245.17-76,371.92

Finding the Fourth Proportional to 140,034.14, 193,245.17 and 76,371.92

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Solution

The fourth proportional to 140,034.14, 193,245.17 and 76,371.92 is: 105,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,034.14 : 193,245.17 = 76,371.92 : x
  2. Step 2: Convert to fraction form
    140,034.14/193,245.17 = 76,371.92/x
  3. Step 3: Cross multiply
    140,034.14x = 193,245.17 × 76,371.92
  4. Step 4: Simplify right side
    140,034.14x = 14,758,504,281.77
  5. Step 5: Solve for x
    x = 14,758,504,281.77/140,034.14
  6. Step 6: Final answer
    x = 105,392.19

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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.