Home / 204,478.61-282,416.66-136,377.24

Finding the Fourth Proportional to 204,478.61, 282,416.66 and 136,377.24

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Solution

The fourth proportional to 204,478.61, 282,416.66 and 136,377.24 is: 188,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,478.61 : 282,416.66 = 136,377.24 : x
  2. Step 2: Convert to fraction form
    204,478.61/282,416.66 = 136,377.24/x
  3. Step 3: Cross multiply
    204,478.61x = 282,416.66 × 136,377.24
  4. Step 4: Simplify right side
    204,478.61x = 38,515,203,938.93
  5. Step 5: Solve for x
    x = 38,515,203,938.93/204,478.61
  6. Step 6: Final answer
    x = 188,358.11

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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.