Home / 204,698.88-282,545.28-129,297.60

Finding the Fourth Proportional to 204,698.88, 282,545.28 and 129,297.60

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Solution

The fourth proportional to 204,698.88, 282,545.28 and 129,297.60 is: 178,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,698.88 : 282,545.28 = 129,297.60 : x
  2. Step 2: Convert to fraction form
    204,698.88/282,545.28 = 129,297.60/x
  3. Step 3: Cross multiply
    204,698.88x = 282,545.28 × 129,297.60
  4. Step 4: Simplify right side
    204,698.88x = 36,532,426,595.33
  5. Step 5: Solve for x
    x = 36,532,426,595.33/204,698.88
  6. Step 6: Final answer
    x = 178,469.11

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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.