Home / 223,680.29-308,793.06-172,578.20

Finding the Fourth Proportional to 223,680.29, 308,793.06 and 172,578.20

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Solution

The fourth proportional to 223,680.29, 308,793.06 and 172,578.20 is: 238,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,680.29 : 308,793.06 = 172,578.20 : x
  2. Step 2: Convert to fraction form
    223,680.29/308,793.06 = 172,578.20/x
  3. Step 3: Cross multiply
    223,680.29x = 308,793.06 × 172,578.20
  4. Step 4: Simplify right side
    223,680.29x = 53,290,948,923.33
  5. Step 5: Solve for x
    x = 53,290,948,923.33/223,680.29
  6. Step 6: Final answer
    x = 238,246.07

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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.