Home / 120,932.48-181,460.16-54,359.20

Finding the Fourth Proportional to 120,932.48, 181,460.16 and 54,359.20

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Solution

The fourth proportional to 120,932.48, 181,460.16 and 54,359.20 is: 81,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,932.48 : 181,460.16 = 54,359.20 : x
  2. Step 2: Convert to fraction form
    120,932.48/181,460.16 = 54,359.20/x
  3. Step 3: Cross multiply
    120,932.48x = 181,460.16 × 54,359.20
  4. Step 4: Simplify right side
    120,932.48x = 9,864,029,129.47
  5. Step 5: Solve for x
    x = 9,864,029,129.47/120,932.48
  6. Step 6: Final answer
    x = 81,566.42

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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.