Home / 226,458.86-312,517.11-124,488.62

Finding the Fourth Proportional to 226,458.86, 312,517.11 and 124,488.62

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Solution

The fourth proportional to 226,458.86, 312,517.11 and 124,488.62 is: 171,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,458.86 : 312,517.11 = 124,488.62 : x
  2. Step 2: Convert to fraction form
    226,458.86/312,517.11 = 124,488.62/x
  3. Step 3: Cross multiply
    226,458.86x = 312,517.11 × 124,488.62
  4. Step 4: Simplify right side
    226,458.86x = 38,904,823,359.64
  5. Step 5: Solve for x
    x = 38,904,823,359.64/226,458.86
  6. Step 6: Final answer
    x = 171,796.43

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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.