Home / 181,100.10-271,431.45-92,307.90

Finding the Fourth Proportional to 181,100.10, 271,431.45 and 92,307.90

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Solution

The fourth proportional to 181,100.10, 271,431.45 and 92,307.90 is: 138,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,100.10 : 271,431.45 = 92,307.90 : x
  2. Step 2: Convert to fraction form
    181,100.10/271,431.45 = 92,307.90/x
  3. Step 3: Cross multiply
    181,100.10x = 271,431.45 × 92,307.90
  4. Step 4: Simplify right side
    181,100.10x = 25,055,267,143.46
  5. Step 5: Solve for x
    x = 25,055,267,143.46/181,100.10
  6. Step 6: Final answer
    x = 138,350.38

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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.