Home / 214,778.89-296,377.48-124,140.70

Finding the Fourth Proportional to 214,778.89, 296,377.48 and 124,140.70

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Solution

The fourth proportional to 214,778.89, 296,377.48 and 124,140.70 is: 171,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,778.89 : 296,377.48 = 124,140.70 : x
  2. Step 2: Convert to fraction form
    214,778.89/296,377.48 = 124,140.70/x
  3. Step 3: Cross multiply
    214,778.89x = 296,377.48 × 124,140.70
  4. Step 4: Simplify right side
    214,778.89x = 36,792,508,357.08
  5. Step 5: Solve for x
    x = 36,792,508,357.08/214,778.89
  6. Step 6: Final answer
    x = 171,304.12

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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.