Home / 132,972.40-199,458.60-127,723.60

Finding the Fourth Proportional to 132,972.40, 199,458.60 and 127,723.60

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Solution

The fourth proportional to 132,972.40, 199,458.60 and 127,723.60 is: 191,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,972.40 : 199,458.60 = 127,723.60 : x
  2. Step 2: Convert to fraction form
    132,972.40/199,458.60 = 127,723.60/x
  3. Step 3: Cross multiply
    132,972.40x = 199,458.60 × 127,723.60
  4. Step 4: Simplify right side
    132,972.40x = 25,475,570,442.96
  5. Step 5: Solve for x
    x = 25,475,570,442.96/132,972.40
  6. Step 6: Final answer
    x = 191,585.40

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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.