Home / 135,023.76-202,397.38-56,183.76

Finding the Fourth Proportional to 135,023.76, 202,397.38 and 56,183.76

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Solution

The fourth proportional to 135,023.76, 202,397.38 and 56,183.76 is: 84,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,023.76 : 202,397.38 = 56,183.76 : x
  2. Step 2: Convert to fraction form
    135,023.76/202,397.38 = 56,183.76/x
  3. Step 3: Cross multiply
    135,023.76x = 202,397.38 × 56,183.76
  4. Step 4: Simplify right side
    135,023.76x = 11,371,445,822.55
  5. Step 5: Solve for x
    x = 11,371,445,822.55/135,023.76
  6. Step 6: Final answer
    x = 84,218.11

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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.