Home / 225,329.78-339,576.34-202,862.91

Finding the Fourth Proportional to 225,329.78, 339,576.34 and 202,862.91

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Solution

The fourth proportional to 225,329.78, 339,576.34 and 202,862.91 is: 305,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,329.78 : 339,576.34 = 202,862.91 : x
  2. Step 2: Convert to fraction form
    225,329.78/339,576.34 = 202,862.91/x
  3. Step 3: Cross multiply
    225,329.78x = 339,576.34 × 202,862.91
  4. Step 4: Simplify right side
    225,329.78x = 68,887,444,499.55
  5. Step 5: Solve for x
    x = 68,887,444,499.55/225,329.78
  6. Step 6: Final answer
    x = 305,718.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.