Home / 187,440.60-281,160.90-108,708.60

Finding the Fourth Proportional to 187,440.60, 281,160.90 and 108,708.60

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Solution

The fourth proportional to 187,440.60, 281,160.90 and 108,708.60 is: 163,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,440.60 : 281,160.90 = 108,708.60 : x
  2. Step 2: Convert to fraction form
    187,440.60/281,160.90 = 108,708.60/x
  3. Step 3: Cross multiply
    187,440.60x = 281,160.90 × 108,708.60
  4. Step 4: Simplify right side
    187,440.60x = 30,564,607,813.74
  5. Step 5: Solve for x
    x = 30,564,607,813.74/187,440.60
  6. Step 6: Final answer
    x = 163,062.90

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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.