Home / 179,213.82-247,312.06-98,639.70

Finding the Fourth Proportional to 179,213.82, 247,312.06 and 98,639.70

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Solution

The fourth proportional to 179,213.82, 247,312.06 and 98,639.70 is: 136,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,213.82 : 247,312.06 = 98,639.70 : x
  2. Step 2: Convert to fraction form
    179,213.82/247,312.06 = 98,639.70/x
  3. Step 3: Cross multiply
    179,213.82x = 247,312.06 × 98,639.70
  4. Step 4: Simplify right side
    179,213.82x = 24,394,787,404.78
  5. Step 5: Solve for x
    x = 24,394,787,404.78/179,213.82
  6. Step 6: Final answer
    x = 136,121.13

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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.