Home / 132,290.31-198,462.80-43,549.14

Finding the Fourth Proportional to 132,290.31, 198,462.80 and 43,549.14

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Solution

The fourth proportional to 132,290.31, 198,462.80 and 43,549.14 is: 65,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,290.31 : 198,462.80 = 43,549.14 : x
  2. Step 2: Convert to fraction form
    132,290.31/198,462.80 = 43,549.14/x
  3. Step 3: Cross multiply
    132,290.31x = 198,462.80 × 43,549.14
  4. Step 4: Simplify right side
    132,290.31x = 8,642,884,261.99
  5. Step 5: Solve for x
    x = 8,642,884,261.99/132,290.31
  6. Step 6: Final answer
    x = 65,332.71

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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.