Home / 269,836.90-404,749.70-89,935.35

Finding the Fourth Proportional to 269,836.90, 404,749.70 and 89,935.35

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Solution

The fourth proportional to 269,836.90, 404,749.70 and 89,935.35 is: 134,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,836.90 : 404,749.70 = 89,935.35 : x
  2. Step 2: Convert to fraction form
    269,836.90/404,749.70 = 89,935.35/x
  3. Step 3: Cross multiply
    269,836.90x = 404,749.70 × 89,935.35
  4. Step 4: Simplify right side
    269,836.90x = 36,401,304,470.34
  5. Step 5: Solve for x
    x = 36,401,304,470.34/269,836.90
  6. Step 6: Final answer
    x = 134,901.14

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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.