Home / 121,082.54-181,651.45-36,854.64

Finding the Fourth Proportional to 121,082.54, 181,651.45 and 36,854.64

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Solution

The fourth proportional to 121,082.54, 181,651.45 and 36,854.64 is: 55,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,082.54 : 181,651.45 = 36,854.64 : x
  2. Step 2: Convert to fraction form
    121,082.54/181,651.45 = 36,854.64/x
  3. Step 3: Cross multiply
    121,082.54x = 181,651.45 × 36,854.64
  4. Step 4: Simplify right side
    121,082.54x = 6,694,698,248.96
  5. Step 5: Solve for x
    x = 6,694,698,248.96/121,082.54
  6. Step 6: Final answer
    x = 55,290.37

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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.