Home / 543,294.20-814,973.85-143,933.83

Finding the Fourth Proportional to 543,294.20, 814,973.85 and 143,933.83

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Solution

The fourth proportional to 543,294.20, 814,973.85 and 143,933.83 is: 215,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,294.20 : 814,973.85 = 143,933.83 : x
  2. Step 2: Convert to fraction form
    543,294.20/814,973.85 = 143,933.83/x
  3. Step 3: Cross multiply
    543,294.20x = 814,973.85 × 143,933.83
  4. Step 4: Simplify right side
    543,294.20x = 117,302,305,542.91
  5. Step 5: Solve for x
    x = 117,302,305,542.91/543,294.20
  6. Step 6: Final answer
    x = 215,909.36

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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.