Home / 223,219.91-308,062.53-126,441.04

Finding the Fourth Proportional to 223,219.91, 308,062.53 and 126,441.04

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Solution

The fourth proportional to 223,219.91, 308,062.53 and 126,441.04 is: 174,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,219.91 : 308,062.53 = 126,441.04 : x
  2. Step 2: Convert to fraction form
    223,219.91/308,062.53 = 126,441.04/x
  3. Step 3: Cross multiply
    223,219.91x = 308,062.53 × 126,441.04
  4. Step 4: Simplify right side
    223,219.91x = 38,951,744,505.71
  5. Step 5: Solve for x
    x = 38,951,744,505.71/223,219.91
  6. Step 6: Final answer
    x = 174,499.42

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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.