Home / 226,901.25-313,123.73-131,438.70

Finding the Fourth Proportional to 226,901.25, 313,123.73 and 131,438.70

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Solution

The fourth proportional to 226,901.25, 313,123.73 and 131,438.70 is: 181,385.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,901.25 : 313,123.73 = 131,438.70 : x
  2. Step 2: Convert to fraction form
    226,901.25/313,123.73 = 131,438.70/x
  3. Step 3: Cross multiply
    226,901.25x = 313,123.73 × 131,438.70
  4. Step 4: Simplify right side
    226,901.25x = 41,156,575,353.16
  5. Step 5: Solve for x
    x = 41,156,575,353.16/226,901.25
  6. Step 6: Final answer
    x = 181,385.41

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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.