Home / 132,220.60-198,356.04-43,499.68

Finding the Fourth Proportional to 132,220.60, 198,356.04 and 43,499.68

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Solution

The fourth proportional to 132,220.60, 198,356.04 and 43,499.68 is: 65,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,220.60 : 198,356.04 = 43,499.68 : x
  2. Step 2: Convert to fraction form
    132,220.60/198,356.04 = 43,499.68/x
  3. Step 3: Cross multiply
    132,220.60x = 198,356.04 × 43,499.68
  4. Step 4: Simplify right side
    132,220.60x = 8,628,424,266.07
  5. Step 5: Solve for x
    x = 8,628,424,266.07/132,220.60
  6. Step 6: Final answer
    x = 65,257.79

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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.