Home / 204,865.86-282,614.42-136,899.53

Finding the Fourth Proportional to 204,865.86, 282,614.42 and 136,899.53

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Solution

The fourth proportional to 204,865.86, 282,614.42 and 136,899.53 is: 188,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,865.86 : 282,614.42 = 136,899.53 : x
  2. Step 2: Convert to fraction form
    204,865.86/282,614.42 = 136,899.53/x
  3. Step 3: Cross multiply
    204,865.86x = 282,614.42 × 136,899.53
  4. Step 4: Simplify right side
    204,865.86x = 38,689,779,171.65
  5. Step 5: Solve for x
    x = 38,689,779,171.65/204,865.86
  6. Step 6: Final answer
    x = 188,854.21

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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.