Home / 187,140.60-280,791.32-60,819.56

Finding the Fourth Proportional to 187,140.60, 280,791.32 and 60,819.56

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Solution

The fourth proportional to 187,140.60, 280,791.32 and 60,819.56 is: 91,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,140.60 : 280,791.32 = 60,819.56 : x
  2. Step 2: Convert to fraction form
    187,140.60/280,791.32 = 60,819.56/x
  3. Step 3: Cross multiply
    187,140.60x = 280,791.32 × 60,819.56
  4. Step 4: Simplify right side
    187,140.60x = 17,077,604,306.77
  5. Step 5: Solve for x
    x = 17,077,604,306.77/187,140.60
  6. Step 6: Final answer
    x = 91,255.47

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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.