Home / 261,728.40-361,186.92-148,553.04

Finding the Fourth Proportional to 261,728.40, 361,186.92 and 148,553.04

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Solution

The fourth proportional to 261,728.40, 361,186.92 and 148,553.04 is: 205,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,728.40 : 361,186.92 = 148,553.04 : x
  2. Step 2: Convert to fraction form
    261,728.40/361,186.92 = 148,553.04/x
  3. Step 3: Cross multiply
    261,728.40x = 361,186.92 × 148,553.04
  4. Step 4: Simplify right side
    261,728.40x = 53,655,414,974.24
  5. Step 5: Solve for x
    x = 53,655,414,974.24/261,728.40
  6. Step 6: Final answer
    x = 205,004.18

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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.