Home / 161,863.20-242,576.10-108,403.20

Finding the Fourth Proportional to 161,863.20, 242,576.10 and 108,403.20

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Solution

The fourth proportional to 161,863.20, 242,576.10 and 108,403.20 is: 162,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,863.20 : 242,576.10 = 108,403.20 : x
  2. Step 2: Convert to fraction form
    161,863.20/242,576.10 = 108,403.20/x
  3. Step 3: Cross multiply
    161,863.20x = 242,576.10 × 108,403.20
  4. Step 4: Simplify right side
    161,863.20x = 26,296,025,483.52
  5. Step 5: Solve for x
    x = 26,296,025,483.52/161,863.20
  6. Step 6: Final answer
    x = 162,458.33

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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.