Home / 226,278.50-339,461.42-86,026.20

Finding the Fourth Proportional to 226,278.50, 339,461.42 and 86,026.20

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Solution

The fourth proportional to 226,278.50, 339,461.42 and 86,026.20 is: 129,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,278.50 : 339,461.42 = 86,026.20 : x
  2. Step 2: Convert to fraction form
    226,278.50/339,461.42 = 86,026.20/x
  3. Step 3: Cross multiply
    226,278.50x = 339,461.42 × 86,026.20
  4. Step 4: Simplify right side
    226,278.50x = 29,202,576,009.20
  5. Step 5: Solve for x
    x = 29,202,576,009.20/226,278.50
  6. Step 6: Final answer
    x = 129,055.90

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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.