Home / 225,397.14-338,267.09-83,376.73

Finding the Fourth Proportional to 225,397.14, 338,267.09 and 83,376.73

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Solution

The fourth proportional to 225,397.14, 338,267.09 and 83,376.73 is: 125,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,397.14 : 338,267.09 = 83,376.73 : x
  2. Step 2: Convert to fraction form
    225,397.14/338,267.09 = 83,376.73/x
  3. Step 3: Cross multiply
    225,397.14x = 338,267.09 × 83,376.73
  4. Step 4: Simplify right side
    225,397.14x = 28,203,603,830.82
  5. Step 5: Solve for x
    x = 28,203,603,830.82/225,397.14
  6. Step 6: Final answer
    x = 125,128.49

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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.