Home / 283,742.68-425,618.22-84,083.32

Finding the Fourth Proportional to 283,742.68, 425,618.22 and 84,083.32

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Solution

The fourth proportional to 283,742.68, 425,618.22 and 84,083.32 is: 126,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,742.68 : 425,618.22 = 84,083.32 : x
  2. Step 2: Convert to fraction form
    283,742.68/425,618.22 = 84,083.32/x
  3. Step 3: Cross multiply
    283,742.68x = 425,618.22 × 84,083.32
  4. Step 4: Simplify right side
    283,742.68x = 35,787,392,990.09
  5. Step 5: Solve for x
    x = 35,787,392,990.09/283,742.68
  6. Step 6: Final answer
    x = 126,126.22

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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.