Home / 269,103.79-403,728.56-100,641.23

Finding the Fourth Proportional to 269,103.79, 403,728.56 and 100,641.23

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Solution

The fourth proportional to 269,103.79, 403,728.56 and 100,641.23 is: 150,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,103.79 : 403,728.56 = 100,641.23 : x
  2. Step 2: Convert to fraction form
    269,103.79/403,728.56 = 100,641.23/x
  3. Step 3: Cross multiply
    269,103.79x = 403,728.56 × 100,641.23
  4. Step 4: Simplify right side
    269,103.79x = 40,631,737,856.66
  5. Step 5: Solve for x
    x = 40,631,737,856.66/269,103.79
  6. Step 6: Final answer
    x = 150,989.09

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1.5x scale

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.