Home / 226,193.20-339,073.80-84,000.40

Finding the Fourth Proportional to 226,193.20, 339,073.80 and 84,000.40

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Solution

The fourth proportional to 226,193.20, 339,073.80 and 84,000.40 is: 125,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,193.20 : 339,073.80 = 84,000.40 : x
  2. Step 2: Convert to fraction form
    226,193.20/339,073.80 = 84,000.40/x
  3. Step 3: Cross multiply
    226,193.20x = 339,073.80 × 84,000.40
  4. Step 4: Simplify right side
    226,193.20x = 28,482,334,829.52
  5. Step 5: Solve for x
    x = 28,482,334,829.52/226,193.20
  6. Step 6: Final answer
    x = 125,920.39

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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.