Home / 226,656.18-312,766.25-131,168.79

Finding the Fourth Proportional to 226,656.18, 312,766.25 and 131,168.79

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Solution

The fourth proportional to 226,656.18, 312,766.25 and 131,168.79 is: 181,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,656.18 : 312,766.25 = 131,168.79 : x
  2. Step 2: Convert to fraction form
    226,656.18/312,766.25 = 131,168.79/x
  3. Step 3: Cross multiply
    226,656.18x = 312,766.25 × 131,168.79
  4. Step 4: Simplify right side
    226,656.18x = 41,025,169,909.49
  5. Step 5: Solve for x
    x = 41,025,169,909.49/226,656.18
  6. Step 6: Final answer
    x = 181,001.77

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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.