Home / 245,399.06-338,512.41-147,256.92

Finding the Fourth Proportional to 245,399.06, 338,512.41 and 147,256.92

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Solution

The fourth proportional to 245,399.06, 338,512.41 and 147,256.92 is: 203,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,399.06 : 338,512.41 = 147,256.92 : x
  2. Step 2: Convert to fraction form
    245,399.06/338,512.41 = 147,256.92/x
  3. Step 3: Cross multiply
    245,399.06x = 338,512.41 × 147,256.92
  4. Step 4: Simplify right side
    245,399.06x = 49,848,294,878.38
  5. Step 5: Solve for x
    x = 49,848,294,878.38/245,399.06
  6. Step 6: Final answer
    x = 203,131.56

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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.