Home / 187,733.28-281,596.89-45,579.69

Finding the Fourth Proportional to 187,733.28, 281,596.89 and 45,579.69

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Solution

The fourth proportional to 187,733.28, 281,596.89 and 45,579.69 is: 68,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,733.28 : 281,596.89 = 45,579.69 : x
  2. Step 2: Convert to fraction form
    187,733.28/281,596.89 = 45,579.69/x
  3. Step 3: Cross multiply
    187,733.28x = 281,596.89 × 45,579.69
  4. Step 4: Simplify right side
    187,733.28x = 12,835,098,951.16
  5. Step 5: Solve for x
    x = 12,835,098,951.16/187,733.28
  6. Step 6: Final answer
    x = 68,368.80

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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.