Home / 268,974.12-371,187.04-148,126.64

Finding the Fourth Proportional to 268,974.12, 371,187.04 and 148,126.64

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Solution

The fourth proportional to 268,974.12, 371,187.04 and 148,126.64 is: 204,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,974.12 : 371,187.04 = 148,126.64 : x
  2. Step 2: Convert to fraction form
    268,974.12/371,187.04 = 148,126.64/x
  3. Step 3: Cross multiply
    268,974.12x = 371,187.04 × 148,126.64
  4. Step 4: Simplify right side
    268,974.12x = 54,982,689,046.75
  5. Step 5: Solve for x
    x = 54,982,689,046.75/268,974.12
  6. Step 6: Final answer
    x = 204,416.28

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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.