Home / 223,839.91-335,876.51-99,151.75

Finding the Fourth Proportional to 223,839.91, 335,876.51 and 99,151.75

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Solution

The fourth proportional to 223,839.91, 335,876.51 and 99,151.75 is: 148,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,839.91 : 335,876.51 = 99,151.75 : x
  2. Step 2: Convert to fraction form
    223,839.91/335,876.51 = 99,151.75/x
  3. Step 3: Cross multiply
    223,839.91x = 335,876.51 × 99,151.75
  4. Step 4: Simplify right side
    223,839.91x = 33,302,743,750.39
  5. Step 5: Solve for x
    x = 33,302,743,750.39/223,839.91
  6. Step 6: Final answer
    x = 148,779.29

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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.