Home / 162,613.20-243,992.22-103,433.52

Finding the Fourth Proportional to 162,613.20, 243,992.22 and 103,433.52

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Solution

The fourth proportional to 162,613.20, 243,992.22 and 103,433.52 is: 155,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,613.20 : 243,992.22 = 103,433.52 : x
  2. Step 2: Convert to fraction form
    162,613.20/243,992.22 = 103,433.52/x
  3. Step 3: Cross multiply
    162,613.20x = 243,992.22 × 103,433.52
  4. Step 4: Simplify right side
    162,613.20x = 25,236,974,167.21
  5. Step 5: Solve for x
    x = 25,236,974,167.21/162,613.20
  6. Step 6: Final answer
    x = 155,196.34

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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.