Home / 187,057.44-280,586.16-68,677.56

Finding the Fourth Proportional to 187,057.44, 280,586.16 and 68,677.56

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Solution

The fourth proportional to 187,057.44, 280,586.16 and 68,677.56 is: 103,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,057.44 : 280,586.16 = 68,677.56 : x
  2. Step 2: Convert to fraction form
    187,057.44/280,586.16 = 68,677.56/x
  3. Step 3: Cross multiply
    187,057.44x = 280,586.16 × 68,677.56
  4. Step 4: Simplify right side
    187,057.44x = 19,269,972,838.57
  5. Step 5: Solve for x
    x = 19,269,972,838.57/187,057.44
  6. Step 6: Final answer
    x = 103,016.34

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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.