Home / 269,432.20-404,109.90-91,947.40

Finding the Fourth Proportional to 269,432.20, 404,109.90 and 91,947.40

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Solution

The fourth proportional to 269,432.20, 404,109.90 and 91,947.40 is: 137,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,432.20 : 404,109.90 = 91,947.40 : x
  2. Step 2: Convert to fraction form
    269,432.20/404,109.90 = 91,947.40/x
  3. Step 3: Cross multiply
    269,432.20x = 404,109.90 × 91,947.40
  4. Step 4: Simplify right side
    269,432.20x = 37,156,854,619.26
  5. Step 5: Solve for x
    x = 37,156,854,619.26/269,432.20
  6. Step 6: Final answer
    x = 137,908.00

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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.