Home / 232,249.82-320,503.43-128,882.98

Finding the Fourth Proportional to 232,249.82, 320,503.43 and 128,882.98

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Solution

The fourth proportional to 232,249.82, 320,503.43 and 128,882.98 is: 177,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,249.82 : 320,503.43 = 128,882.98 : x
  2. Step 2: Convert to fraction form
    232,249.82/320,503.43 = 128,882.98/x
  3. Step 3: Cross multiply
    232,249.82x = 320,503.43 × 128,882.98
  4. Step 4: Simplify right side
    232,249.82x = 41,307,437,158.62
  5. Step 5: Solve for x
    x = 41,307,437,158.62/232,249.82
  6. Step 6: Final answer
    x = 177,857.78

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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.