Home / 120,897.36-181,229.40-61,760.88

Finding the Fourth Proportional to 120,897.36, 181,229.40 and 61,760.88

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Solution

The fourth proportional to 120,897.36, 181,229.40 and 61,760.88 is: 92,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,897.36 : 181,229.40 = 61,760.88 : x
  2. Step 2: Convert to fraction form
    120,897.36/181,229.40 = 61,760.88/x
  3. Step 3: Cross multiply
    120,897.36x = 181,229.40 × 61,760.88
  4. Step 4: Simplify right side
    120,897.36x = 11,192,887,225.87
  5. Step 5: Solve for x
    x = 11,192,887,225.87/120,897.36
  6. Step 6: Final answer
    x = 92,581.73

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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.