Home / 268,845.06-371,003.34-147,983.76

Finding the Fourth Proportional to 268,845.06, 371,003.34 and 147,983.76

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Solution

The fourth proportional to 268,845.06, 371,003.34 and 147,983.76 is: 204,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,845.06 : 371,003.34 = 147,983.76 : x
  2. Step 2: Convert to fraction form
    268,845.06/371,003.34 = 147,983.76/x
  3. Step 3: Cross multiply
    268,845.06x = 371,003.34 × 147,983.76
  4. Step 4: Simplify right side
    268,845.06x = 54,902,469,225.76
  5. Step 5: Solve for x
    x = 54,902,469,225.76/268,845.06
  6. Step 6: Final answer
    x = 204,216.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.