Home / 338,140.28-466,633.56-187,237.28

Finding the Fourth Proportional to 338,140.28, 466,633.56 and 187,237.28

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Solution

The fourth proportional to 338,140.28, 466,633.56 and 187,237.28 is: 258,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,140.28 : 466,633.56 = 187,237.28 : x
  2. Step 2: Convert to fraction form
    338,140.28/466,633.56 = 187,237.28/x
  3. Step 3: Cross multiply
    338,140.28x = 466,633.56 × 187,237.28
  4. Step 4: Simplify right side
    338,140.28x = 87,371,198,531.12
  5. Step 5: Solve for x
    x = 87,371,198,531.12/338,140.28
  6. Step 6: Final answer
    x = 258,387.43

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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.