Home / 135,023.75-202,397.38-56,183.75

Finding the Fourth Proportional to 135,023.75, 202,397.38 and 56,183.75

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Solution

The fourth proportional to 135,023.75, 202,397.38 and 56,183.75 is: 84,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,023.75 : 202,397.38 = 56,183.75 : x
  2. Step 2: Convert to fraction form
    135,023.75/202,397.38 = 56,183.75/x
  3. Step 3: Cross multiply
    135,023.75x = 202,397.38 × 56,183.75
  4. Step 4: Simplify right side
    135,023.75x = 11,371,443,798.58
  5. Step 5: Solve for x
    x = 11,371,443,798.58/135,023.75
  6. Step 6: Final answer
    x = 84,218.10

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1.5x scale

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.