Home / 283,570.20-425,397.32-91,380.22

Finding the Fourth Proportional to 283,570.20, 425,397.32 and 91,380.22

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Solution

The fourth proportional to 283,570.20, 425,397.32 and 91,380.22 is: 137,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,570.20 : 425,397.32 = 91,380.22 : x
  2. Step 2: Convert to fraction form
    283,570.20/425,397.32 = 91,380.22/x
  3. Step 3: Cross multiply
    283,570.20x = 425,397.32 × 91,380.22
  4. Step 4: Simplify right side
    283,570.20x = 38,872,899,511.29
  5. Step 5: Solve for x
    x = 38,872,899,511.29/283,570.20
  6. Step 6: Final answer
    x = 137,083.87

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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.