Home / 187,301.60-280,917.52-54,148.92

Finding the Fourth Proportional to 187,301.60, 280,917.52 and 54,148.92

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Solution

The fourth proportional to 187,301.60, 280,917.52 and 54,148.92 is: 81,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,301.60 : 280,917.52 = 54,148.92 : x
  2. Step 2: Convert to fraction form
    187,301.60/280,917.52 = 54,148.92/x
  3. Step 3: Cross multiply
    187,301.60x = 280,917.52 × 54,148.92
  4. Step 4: Simplify right side
    187,301.60x = 15,211,380,317.08
  5. Step 5: Solve for x
    x = 15,211,380,317.08/187,301.60
  6. Step 6: Final answer
    x = 81,213.30

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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.