Home / 335,769.90-503,266.05-135,959.10

Finding the Fourth Proportional to 335,769.90, 503,266.05 and 135,959.10

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Solution

The fourth proportional to 335,769.90, 503,266.05 and 135,959.10 is: 203,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,769.90 : 503,266.05 = 135,959.10 : x
  2. Step 2: Convert to fraction form
    335,769.90/503,266.05 = 135,959.10/x
  3. Step 3: Cross multiply
    335,769.90x = 503,266.05 × 135,959.10
  4. Step 4: Simplify right side
    335,769.90x = 68,423,599,218.56
  5. Step 5: Solve for x
    x = 68,423,599,218.56/335,769.90
  6. Step 6: Final answer
    x = 203,781.22

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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.