Home / 226,166.70-312,115.47-122,805.26

Finding the Fourth Proportional to 226,166.70, 312,115.47 and 122,805.26

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Solution

The fourth proportional to 226,166.70, 312,115.47 and 122,805.26 is: 169,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,166.70 : 312,115.47 = 122,805.26 : x
  2. Step 2: Convert to fraction form
    226,166.70/312,115.47 = 122,805.26/x
  3. Step 3: Cross multiply
    226,166.70x = 312,115.47 × 122,805.26
  4. Step 4: Simplify right side
    226,166.70x = 38,329,419,882.79
  5. Step 5: Solve for x
    x = 38,329,419,882.79/226,166.70
  6. Step 6: Final answer
    x = 169,474.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.