Home / 177,721.40-266,193.30-158,022.20

Finding the Fourth Proportional to 177,721.40, 266,193.30 and 158,022.20

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Solution

The fourth proportional to 177,721.40, 266,193.30 and 158,022.20 is: 236,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,721.40 : 266,193.30 = 158,022.20 : x
  2. Step 2: Convert to fraction form
    177,721.40/266,193.30 = 158,022.20/x
  3. Step 3: Cross multiply
    177,721.40x = 266,193.30 × 158,022.20
  4. Step 4: Simplify right side
    177,721.40x = 42,064,450,891.26
  5. Step 5: Solve for x
    x = 42,064,450,891.26/177,721.40
  6. Step 6: Final answer
    x = 236,687.60

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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.