Home / 187,278.24-280,925.56-54,171.95

Finding the Fourth Proportional to 187,278.24, 280,925.56 and 54,171.95

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Solution

The fourth proportional to 187,278.24, 280,925.56 and 54,171.95 is: 81,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,278.24 : 280,925.56 = 54,171.95 : x
  2. Step 2: Convert to fraction form
    187,278.24/280,925.56 = 54,171.95/x
  3. Step 3: Cross multiply
    187,278.24x = 280,925.56 × 54,171.95
  4. Step 4: Simplify right side
    187,278.24x = 15,218,285,390.04
  5. Step 5: Solve for x
    x = 15,218,285,390.04/187,278.24
  6. Step 6: Final answer
    x = 81,260.30

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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.