Home / 226,276.50-339,458.42-86,024.20

Finding the Fourth Proportional to 226,276.50, 339,458.42 and 86,024.20

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Solution

The fourth proportional to 226,276.50, 339,458.42 and 86,024.20 is: 129,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,276.50 : 339,458.42 = 86,024.20 : x
  2. Step 2: Convert to fraction form
    226,276.50/339,458.42 = 86,024.20/x
  3. Step 3: Cross multiply
    226,276.50x = 339,458.42 × 86,024.20
  4. Step 4: Simplify right side
    226,276.50x = 29,201,639,013.76
  5. Step 5: Solve for x
    x = 29,201,639,013.76/226,276.50
  6. Step 6: Final answer
    x = 129,052.90

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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.