Home / 204,675.76-282,377.64-124,045.12

Finding the Fourth Proportional to 204,675.76, 282,377.64 and 124,045.12

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Solution

The fourth proportional to 204,675.76, 282,377.64 and 124,045.12 is: 171,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,675.76 : 282,377.64 = 124,045.12 : x
  2. Step 2: Convert to fraction form
    204,675.76/282,377.64 = 124,045.12/x
  3. Step 3: Cross multiply
    204,675.76x = 282,377.64 × 124,045.12
  4. Step 4: Simplify right side
    204,675.76x = 35,027,568,239.12
  5. Step 5: Solve for x
    x = 35,027,568,239.12/204,675.76
  6. Step 6: Final answer
    x = 171,136.87

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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.