Home / 132,938.08-199,151.20-104,708.80

Finding the Fourth Proportional to 132,938.08, 199,151.20 and 104,708.80

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Solution

The fourth proportional to 132,938.08, 199,151.20 and 104,708.80 is: 156,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,938.08 : 199,151.20 = 104,708.80 : x
  2. Step 2: Convert to fraction form
    132,938.08/199,151.20 = 104,708.80/x
  3. Step 3: Cross multiply
    132,938.08x = 199,151.20 × 104,708.80
  4. Step 4: Simplify right side
    132,938.08x = 20,852,883,170.56
  5. Step 5: Solve for x
    x = 20,852,883,170.56/132,938.08
  6. Step 6: Final answer
    x = 156,861.62

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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.