Home / 225,286.20-311,024.34-168,240.06

Finding the Fourth Proportional to 225,286.20, 311,024.34 and 168,240.06

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Solution

The fourth proportional to 225,286.20, 311,024.34 and 168,240.06 is: 232,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,286.20 : 311,024.34 = 168,240.06 : x
  2. Step 2: Convert to fraction form
    225,286.20/311,024.34 = 168,240.06/x
  3. Step 3: Cross multiply
    225,286.20x = 311,024.34 × 168,240.06
  4. Step 4: Simplify right side
    225,286.20x = 52,326,753,623.06
  5. Step 5: Solve for x
    x = 52,326,753,623.06/225,286.20
  6. Step 6: Final answer
    x = 232,267.90

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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.