Home / 120,867.61-181,301.42-37,761.61

Finding the Fourth Proportional to 120,867.61, 181,301.42 and 37,761.61

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Solution

The fourth proportional to 120,867.61, 181,301.42 and 37,761.61 is: 56,642.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,867.61 : 181,301.42 = 37,761.61 : x
  2. Step 2: Convert to fraction form
    120,867.61/181,301.42 = 37,761.61/x
  3. Step 3: Cross multiply
    120,867.61x = 181,301.42 × 37,761.61
  4. Step 4: Simplify right side
    120,867.61x = 6,846,233,495.58
  5. Step 5: Solve for x
    x = 6,846,233,495.58/120,867.61
  6. Step 6: Final answer
    x = 56,642.42

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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.