Home / 140,934.52-194,488.25-77,272.17

Finding the Fourth Proportional to 140,934.52, 194,488.25 and 77,272.17

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Solution

The fourth proportional to 140,934.52, 194,488.25 and 77,272.17 is: 106,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,934.52 : 194,488.25 = 77,272.17 : x
  2. Step 2: Convert to fraction form
    140,934.52/194,488.25 = 77,272.17/x
  3. Step 3: Cross multiply
    140,934.52x = 194,488.25 × 77,272.17
  4. Step 4: Simplify right side
    140,934.52x = 15,028,529,117.00
  5. Step 5: Solve for x
    x = 15,028,529,117.00/140,934.52
  6. Step 6: Final answer
    x = 106,634.83

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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.