Home / 269,228.30-403,842.45-265,729.10

Finding the Fourth Proportional to 269,228.30, 403,842.45 and 265,729.10

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Solution

The fourth proportional to 269,228.30, 403,842.45 and 265,729.10 is: 398,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,228.30 : 403,842.45 = 265,729.10 : x
  2. Step 2: Convert to fraction form
    269,228.30/403,842.45 = 265,729.10/x
  3. Step 3: Cross multiply
    269,228.30x = 403,842.45 × 265,729.10
  4. Step 4: Simplify right side
    269,228.30x = 107,312,690,780.30
  5. Step 5: Solve for x
    x = 107,312,690,780.30/269,228.30
  6. Step 6: Final answer
    x = 398,593.65

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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.