Home / 225,550.18-311,244.66-123,575.50

Finding the Fourth Proportional to 225,550.18, 311,244.66 and 123,575.50

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Solution

The fourth proportional to 225,550.18, 311,244.66 and 123,575.50 is: 170,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,550.18 : 311,244.66 = 123,575.50 : x
  2. Step 2: Convert to fraction form
    225,550.18/311,244.66 = 123,575.50/x
  3. Step 3: Cross multiply
    225,550.18x = 311,244.66 × 123,575.50
  4. Step 4: Simplify right side
    225,550.18x = 38,462,214,481.83
  5. Step 5: Solve for x
    x = 38,462,214,481.83/225,550.18
  6. Step 6: Final answer
    x = 170,526.20

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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.