Home / 120,468.38-166,248.77-70,170.62

Finding the Fourth Proportional to 120,468.38, 166,248.77 and 70,170.62

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Solution

The fourth proportional to 120,468.38, 166,248.77 and 70,170.62 is: 96,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,468.38 : 166,248.77 = 70,170.62 : x
  2. Step 2: Convert to fraction form
    120,468.38/166,248.77 = 70,170.62/x
  3. Step 3: Cross multiply
    120,468.38x = 166,248.77 × 70,170.62
  4. Step 4: Simplify right side
    120,468.38x = 11,665,778,083.04
  5. Step 5: Solve for x
    x = 11,665,778,083.04/120,468.38
  6. Step 6: Final answer
    x = 96,836.85

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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.