Home / 187,083.26-280,648.73-85,856.75

Finding the Fourth Proportional to 187,083.26, 280,648.73 and 85,856.75

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Solution

The fourth proportional to 187,083.26, 280,648.73 and 85,856.75 is: 128,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,083.26 : 280,648.73 = 85,856.75 : x
  2. Step 2: Convert to fraction form
    187,083.26/280,648.73 = 85,856.75/x
  3. Step 3: Cross multiply
    187,083.26x = 280,648.73 × 85,856.75
  4. Step 4: Simplify right side
    187,083.26x = 24,095,586,016.90
  5. Step 5: Solve for x
    x = 24,095,586,016.90/187,083.26
  6. Step 6: Final answer
    x = 128,796.06

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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.