Home / 177,927.40-267,042.30-72,821.80

Finding the Fourth Proportional to 177,927.40, 267,042.30 and 72,821.80

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Solution

The fourth proportional to 177,927.40, 267,042.30 and 72,821.80 is: 109,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,927.40 : 267,042.30 = 72,821.80 : x
  2. Step 2: Convert to fraction form
    177,927.40/267,042.30 = 72,821.80/x
  3. Step 3: Cross multiply
    177,927.40x = 267,042.30 × 72,821.80
  4. Step 4: Simplify right side
    177,927.40x = 19,446,500,962.14
  5. Step 5: Solve for x
    x = 19,446,500,962.14/177,927.40
  6. Step 6: Final answer
    x = 109,294.58

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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.