Home / 262,915.20-394,412.40-96,690.24

Finding the Fourth Proportional to 262,915.20, 394,412.40 and 96,690.24

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Solution

The fourth proportional to 262,915.20, 394,412.40 and 96,690.24 is: 145,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,915.20 : 394,412.40 = 96,690.24 : x
  2. Step 2: Convert to fraction form
    262,915.20/394,412.40 = 96,690.24/x
  3. Step 3: Cross multiply
    262,915.20x = 394,412.40 × 96,690.24
  4. Step 4: Simplify right side
    262,915.20x = 38,135,829,614.98
  5. Step 5: Solve for x
    x = 38,135,829,614.98/262,915.20
  6. Step 6: Final answer
    x = 145,049.92

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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.