Home / 132,218.40-197,751.60-118,279.20

Finding the Fourth Proportional to 132,218.40, 197,751.60 and 118,279.20

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Solution

The fourth proportional to 132,218.40, 197,751.60 and 118,279.20 is: 176,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,218.40 : 197,751.60 = 118,279.20 : x
  2. Step 2: Convert to fraction form
    132,218.40/197,751.60 = 118,279.20/x
  3. Step 3: Cross multiply
    132,218.40x = 197,751.60 × 118,279.20
  4. Step 4: Simplify right side
    132,218.40x = 23,389,901,046.72
  5. Step 5: Solve for x
    x = 23,389,901,046.72/132,218.40
  6. Step 6: Final answer
    x = 176,903.53

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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.