Home / 132,085.40-198,121.14-43,327.22

Finding the Fourth Proportional to 132,085.40, 198,121.14 and 43,327.22

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Solution

The fourth proportional to 132,085.40, 198,121.14 and 43,327.22 is: 64,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,085.40 : 198,121.14 = 43,327.22 : x
  2. Step 2: Convert to fraction form
    132,085.40/198,121.14 = 43,327.22/x
  3. Step 3: Cross multiply
    132,085.40x = 198,121.14 × 43,327.22
  4. Step 4: Simplify right side
    132,085.40x = 8,584,038,219.43
  5. Step 5: Solve for x
    x = 8,584,038,219.43/132,085.40
  6. Step 6: Final answer
    x = 64,988.55

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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.