Home / 132,824.40-199,366.20-66,339.60

Finding the Fourth Proportional to 132,824.40, 199,366.20 and 66,339.60

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Solution

The fourth proportional to 132,824.40, 199,366.20 and 66,339.60 is: 99,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,824.40 : 199,366.20 = 66,339.60 : x
  2. Step 2: Convert to fraction form
    132,824.40/199,366.20 = 66,339.60/x
  3. Step 3: Cross multiply
    132,824.40x = 199,366.20 × 66,339.60
  4. Step 4: Simplify right side
    132,824.40x = 13,225,873,961.52
  5. Step 5: Solve for x
    x = 13,225,873,961.52/132,824.40
  6. Step 6: Final answer
    x = 99,574.13

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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.