Home / 269,248.20-403,872.30-91,955.40

Finding the Fourth Proportional to 269,248.20, 403,872.30 and 91,955.40

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Solution

The fourth proportional to 269,248.20, 403,872.30 and 91,955.40 is: 137,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,248.20 : 403,872.30 = 91,955.40 : x
  2. Step 2: Convert to fraction form
    269,248.20/403,872.30 = 91,955.40/x
  3. Step 3: Cross multiply
    269,248.20x = 403,872.30 × 91,955.40
  4. Step 4: Simplify right side
    269,248.20x = 37,138,238,895.42
  5. Step 5: Solve for x
    x = 37,138,238,895.42/269,248.20
  6. Step 6: Final answer
    x = 137,933.10

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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.