Home / 283,264.57-425,159.34-143,121.61

Finding the Fourth Proportional to 283,264.57, 425,159.34 and 143,121.61

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Solution

The fourth proportional to 283,264.57, 425,159.34 and 143,121.61 is: 214,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,264.57 : 425,159.34 = 143,121.61 : x
  2. Step 2: Convert to fraction form
    283,264.57/425,159.34 = 143,121.61/x
  3. Step 3: Cross multiply
    283,264.57x = 425,159.34 × 143,121.61
  4. Step 4: Simplify right side
    283,264.57x = 60,849,489,247.34
  5. Step 5: Solve for x
    x = 60,849,489,247.34/283,264.57
  6. Step 6: Final answer
    x = 214,815.04

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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.