Home / 108,819.10-163,256.19-52,686.10

Finding the Fourth Proportional to 108,819.10, 163,256.19 and 52,686.10

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Solution

The fourth proportional to 108,819.10, 163,256.19 and 52,686.10 is: 79,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,819.10 : 163,256.19 = 52,686.10 : x
  2. Step 2: Convert to fraction form
    108,819.10/163,256.19 = 52,686.10/x
  3. Step 3: Cross multiply
    108,819.10x = 163,256.19 × 52,686.10
  4. Step 4: Simplify right side
    108,819.10x = 8,601,331,951.96
  5. Step 5: Solve for x
    x = 8,601,331,951.96/108,819.10
  6. Step 6: Final answer
    x = 79,042.48

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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.