Home / 121,082.66-181,651.64-36,854.76

Finding the Fourth Proportional to 121,082.66, 181,651.64 and 36,854.76

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Solution

The fourth proportional to 121,082.66, 181,651.64 and 36,854.76 is: 55,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,082.66 : 181,651.64 = 36,854.76 : x
  2. Step 2: Convert to fraction form
    121,082.66/181,651.64 = 36,854.76/x
  3. Step 3: Cross multiply
    121,082.66x = 181,651.64 × 36,854.76
  4. Step 4: Simplify right side
    121,082.66x = 6,694,727,595.81
  5. Step 5: Solve for x
    x = 6,694,727,595.81/121,082.66
  6. Step 6: Final answer
    x = 55,290.56

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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.