Home / 179,138.75-247,217.42-98,572.19

Finding the Fourth Proportional to 179,138.75, 247,217.42 and 98,572.19

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Solution

The fourth proportional to 179,138.75, 247,217.42 and 98,572.19 is: 136,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,138.75 : 247,217.42 = 98,572.19 : x
  2. Step 2: Convert to fraction form
    179,138.75/247,217.42 = 98,572.19/x
  3. Step 3: Cross multiply
    179,138.75x = 247,217.42 × 98,572.19
  4. Step 4: Simplify right side
    179,138.75x = 24,368,761,505.89
  5. Step 5: Solve for x
    x = 24,368,761,505.89/179,138.75
  6. Step 6: Final answer
    x = 136,032.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.