Home / 92,213.40-138,301.20-25,636.80

Finding the Fourth Proportional to 92,213.40, 138,301.20 and 25,636.80

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Solution

The fourth proportional to 92,213.40, 138,301.20 and 25,636.80 is: 38,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,213.40 : 138,301.20 = 25,636.80 : x
  2. Step 2: Convert to fraction form
    92,213.40/138,301.20 = 25,636.80/x
  3. Step 3: Cross multiply
    92,213.40x = 138,301.20 × 25,636.80
  4. Step 4: Simplify right side
    92,213.40x = 3,545,600,204.16
  5. Step 5: Solve for x
    x = 3,545,600,204.16/92,213.40
  6. Step 6: Final answer
    x = 38,449.95

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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.