Home / 204,788.80-282,621.48-124,223.92

Finding the Fourth Proportional to 204,788.80, 282,621.48 and 124,223.92

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Solution

The fourth proportional to 204,788.80, 282,621.48 and 124,223.92 is: 171,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,788.80 : 282,621.48 = 124,223.92 : x
  2. Step 2: Convert to fraction form
    204,788.80/282,621.48 = 124,223.92/x
  3. Step 3: Cross multiply
    204,788.80x = 282,621.48 × 124,223.92
  4. Step 4: Simplify right side
    204,788.80x = 35,108,348,121.80
  5. Step 5: Solve for x
    x = 35,108,348,121.80/204,788.80
  6. Step 6: Final answer
    x = 171,436.86

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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.