Home / 132,101.40-198,145.14-43,343.22

Finding the Fourth Proportional to 132,101.40, 198,145.14 and 43,343.22

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Solution

The fourth proportional to 132,101.40, 198,145.14 and 43,343.22 is: 65,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,101.40 : 198,145.14 = 43,343.22 : x
  2. Step 2: Convert to fraction form
    132,101.40/198,145.14 = 43,343.22/x
  3. Step 3: Cross multiply
    132,101.40x = 198,145.14 × 43,343.22
  4. Step 4: Simplify right side
    132,101.40x = 8,588,248,394.95
  5. Step 5: Solve for x
    x = 8,588,248,394.95/132,101.40
  6. Step 6: Final answer
    x = 65,012.55

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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.