Home / 132,941.60-199,412.40-88,704.80

Finding the Fourth Proportional to 132,941.60, 199,412.40 and 88,704.80

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Solution

The fourth proportional to 132,941.60, 199,412.40 and 88,704.80 is: 133,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.60 : 199,412.40 = 88,704.80 : x
  2. Step 2: Convert to fraction form
    132,941.60/199,412.40 = 88,704.80/x
  3. Step 3: Cross multiply
    132,941.60x = 199,412.40 × 88,704.80
  4. Step 4: Simplify right side
    132,941.60x = 17,688,837,059.52
  5. Step 5: Solve for x
    x = 17,688,837,059.52/132,941.60
  6. Step 6: Final answer
    x = 133,057.20

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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.