Home / 194,178.90-267,912.75-125,239.20

Finding the Fourth Proportional to 194,178.90, 267,912.75 and 125,239.20

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Solution

The fourth proportional to 194,178.90, 267,912.75 and 125,239.20 is: 172,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,178.90 : 267,912.75 = 125,239.20 : x
  2. Step 2: Convert to fraction form
    194,178.90/267,912.75 = 125,239.20/x
  3. Step 3: Cross multiply
    194,178.90x = 267,912.75 × 125,239.20
  4. Step 4: Simplify right side
    194,178.90x = 33,553,177,240.30
  5. Step 5: Solve for x
    x = 33,553,177,240.30/194,178.90
  6. Step 6: Final answer
    x = 172,795.17

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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.