Home / 226,669.68-312,784.88-131,182.29

Finding the Fourth Proportional to 226,669.68, 312,784.88 and 131,182.29

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Solution

The fourth proportional to 226,669.68, 312,784.88 and 131,182.29 is: 181,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,669.68 : 312,784.88 = 131,182.29 : x
  2. Step 2: Convert to fraction form
    226,669.68/312,784.88 = 131,182.29/x
  3. Step 3: Cross multiply
    226,669.68x = 312,784.88 × 131,182.29
  4. Step 4: Simplify right side
    226,669.68x = 41,031,836,179.86
  5. Step 5: Solve for x
    x = 41,031,836,179.86/226,669.68
  6. Step 6: Final answer
    x = 181,020.40

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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.