Home / 223,939.89-335,957.22-74,171.70

Finding the Fourth Proportional to 223,939.89, 335,957.22 and 74,171.70

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Solution

The fourth proportional to 223,939.89, 335,957.22 and 74,171.70 is: 111,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,939.89 : 335,957.22 = 74,171.70 : x
  2. Step 2: Convert to fraction form
    223,939.89/335,957.22 = 74,171.70/x
  3. Step 3: Cross multiply
    223,939.89x = 335,957.22 × 74,171.70
  4. Step 4: Simplify right side
    223,939.89x = 24,918,518,134.67
  5. Step 5: Solve for x
    x = 24,918,518,134.67/223,939.89
  6. Step 6: Final answer
    x = 111,273.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.