Home / 108,291.60-162,340.20-96,481.80

Finding the Fourth Proportional to 108,291.60, 162,340.20 and 96,481.80

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Solution

The fourth proportional to 108,291.60, 162,340.20 and 96,481.80 is: 144,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,291.60 : 162,340.20 = 96,481.80 : x
  2. Step 2: Convert to fraction form
    108,291.60/162,340.20 = 96,481.80/x
  3. Step 3: Cross multiply
    108,291.60x = 162,340.20 × 96,481.80
  4. Step 4: Simplify right side
    108,291.60x = 15,662,874,708.36
  5. Step 5: Solve for x
    x = 15,662,874,708.36/108,291.60
  6. Step 6: Final answer
    x = 144,636.10

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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.