Home / 226,331.58-312,336.33-122,964.90

Finding the Fourth Proportional to 226,331.58, 312,336.33 and 122,964.90

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Solution

The fourth proportional to 226,331.58, 312,336.33 and 122,964.90 is: 169,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,331.58 : 312,336.33 = 122,964.90 : x
  2. Step 2: Convert to fraction form
    226,331.58/312,336.33 = 122,964.90/x
  3. Step 3: Cross multiply
    226,331.58x = 312,336.33 × 122,964.90
  4. Step 4: Simplify right side
    226,331.58x = 38,406,405,584.82
  5. Step 5: Solve for x
    x = 38,406,405,584.82/226,331.58
  6. Step 6: Final answer
    x = 169,690.88

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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.