Home / 225,631.10-311,370.27-125,029.10

Finding the Fourth Proportional to 225,631.10, 311,370.27 and 125,029.10

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Solution

The fourth proportional to 225,631.10, 311,370.27 and 125,029.10 is: 172,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,631.10 : 311,370.27 = 125,029.10 : x
  2. Step 2: Convert to fraction form
    225,631.10/311,370.27 = 125,029.10/x
  3. Step 3: Cross multiply
    225,631.10x = 311,370.27 × 125,029.10
  4. Step 4: Simplify right side
    225,631.10x = 38,930,344,624.86
  5. Step 5: Solve for x
    x = 38,930,344,624.86/225,631.10
  6. Step 6: Final answer
    x = 172,539.80

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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.