Home / 132,352.20-198,528.30-127,686.60

Finding the Fourth Proportional to 132,352.20, 198,528.30 and 127,686.60

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Solution

The fourth proportional to 132,352.20, 198,528.30 and 127,686.60 is: 191,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.20 : 198,528.30 = 127,686.60 : x
  2. Step 2: Convert to fraction form
    132,352.20/198,528.30 = 127,686.60/x
  3. Step 3: Cross multiply
    132,352.20x = 198,528.30 × 127,686.60
  4. Step 4: Simplify right side
    132,352.20x = 25,349,403,630.78
  5. Step 5: Solve for x
    x = 25,349,403,630.78/132,352.20
  6. Step 6: Final answer
    x = 191,529.90

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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.