Home / 423,829.24-635,348.56-143,150.20

Finding the Fourth Proportional to 423,829.24, 635,348.56 and 143,150.20

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Solution

The fourth proportional to 423,829.24, 635,348.56 and 143,150.20 is: 214,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,829.24 : 635,348.56 = 143,150.20 : x
  2. Step 2: Convert to fraction form
    423,829.24/635,348.56 = 143,150.20/x
  3. Step 3: Cross multiply
    423,829.24x = 635,348.56 × 143,150.20
  4. Step 4: Simplify right side
    423,829.24x = 90,950,273,433.71
  5. Step 5: Solve for x
    x = 90,950,273,433.71/423,829.24
  6. Step 6: Final answer
    x = 214,591.79

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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.