Home / 191,936.21-287,313.82-125,232.71

Finding the Fourth Proportional to 191,936.21, 287,313.82 and 125,232.71

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Solution

The fourth proportional to 191,936.21, 287,313.82 and 125,232.71 is: 187,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,936.21 : 287,313.82 = 125,232.71 : x
  2. Step 2: Convert to fraction form
    191,936.21/287,313.82 = 125,232.71/x
  3. Step 3: Cross multiply
    191,936.21x = 287,313.82 × 125,232.71
  4. Step 4: Simplify right side
    191,936.21x = 35,981,086,549.40
  5. Step 5: Solve for x
    x = 35,981,086,549.40/191,936.21
  6. Step 6: Final answer
    x = 187,463.78

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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.