Home / 268,127.22-402,190.36-68,447.56

Finding the Fourth Proportional to 268,127.22, 402,190.36 and 68,447.56

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Solution

The fourth proportional to 268,127.22, 402,190.36 and 68,447.56 is: 102,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,127.22 : 402,190.36 = 68,447.56 : x
  2. Step 2: Convert to fraction form
    268,127.22/402,190.36 = 68,447.56/x
  3. Step 3: Cross multiply
    268,127.22x = 402,190.36 × 68,447.56
  4. Step 4: Simplify right side
    268,127.22x = 27,528,948,797.52
  5. Step 5: Solve for x
    x = 27,528,948,797.52/268,127.22
  6. Step 6: Final answer
    x = 102,671.22

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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.