Home / 120,182.61-165,849.17-66,466.47

Finding the Fourth Proportional to 120,182.61, 165,849.17 and 66,466.47

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Solution

The fourth proportional to 120,182.61, 165,849.17 and 66,466.47 is: 91,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,182.61 : 165,849.17 = 66,466.47 : x
  2. Step 2: Convert to fraction form
    120,182.61/165,849.17 = 66,466.47/x
  3. Step 3: Cross multiply
    120,182.61x = 165,849.17 × 66,466.47
  4. Step 4: Simplify right side
    120,182.61x = 11,023,408,550.00
  5. Step 5: Solve for x
    x = 11,023,408,550.00/120,182.61
  6. Step 6: Final answer
    x = 91,722.16

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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.