Home / 132,347.80-198,479.04-43,580.17

Finding the Fourth Proportional to 132,347.80, 198,479.04 and 43,580.17

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Solution

The fourth proportional to 132,347.80, 198,479.04 and 43,580.17 is: 65,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,347.80 : 198,479.04 = 43,580.17 : x
  2. Step 2: Convert to fraction form
    132,347.80/198,479.04 = 43,580.17/x
  3. Step 3: Cross multiply
    132,347.80x = 198,479.04 × 43,580.17
  4. Step 4: Simplify right side
    132,347.80x = 8,649,750,304.64
  5. Step 5: Solve for x
    x = 8,649,750,304.64/132,347.80
  6. Step 6: Final answer
    x = 65,356.21

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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.