Home / 225,475.09-338,243.74-75,758.18

Finding the Fourth Proportional to 225,475.09, 338,243.74 and 75,758.18

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Solution

The fourth proportional to 225,475.09, 338,243.74 and 75,758.18 is: 113,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,475.09 : 338,243.74 = 75,758.18 : x
  2. Step 2: Convert to fraction form
    225,475.09/338,243.74 = 75,758.18/x
  3. Step 3: Cross multiply
    225,475.09x = 338,243.74 × 75,758.18
  4. Step 4: Simplify right side
    225,475.09x = 25,624,730,138.79
  5. Step 5: Solve for x
    x = 25,624,730,138.79/225,475.09
  6. Step 6: Final answer
    x = 113,647.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.