Home / 361,371.26-542,143.02-124,716

Finding the Fourth Proportional to 361,371.26, 542,143.02 and 124,716

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Solution

The fourth proportional to 361,371.26, 542,143.02 and 124,716 is: 187,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,371.26 : 542,143.02 = 124,716 : x
  2. Step 2: Convert to fraction form
    361,371.26/542,143.02 = 124,716/x
  3. Step 3: Cross multiply
    361,371.26x = 542,143.02 × 124,716
  4. Step 4: Simplify right side
    361,371.26x = 67,613,908,882.32
  5. Step 5: Solve for x
    x = 67,613,908,882.32/361,371.26
  6. Step 6: Final answer
    x = 187,103.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.