Home / 187,856.56-259,245.19-101,818.29

Finding the Fourth Proportional to 187,856.56, 259,245.19 and 101,818.29

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Solution

The fourth proportional to 187,856.56, 259,245.19 and 101,818.29 is: 140,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,856.56 : 259,245.19 = 101,818.29 : x
  2. Step 2: Convert to fraction form
    187,856.56/259,245.19 = 101,818.29/x
  3. Step 3: Cross multiply
    187,856.56x = 259,245.19 × 101,818.29
  4. Step 4: Simplify right side
    187,856.56x = 26,395,901,936.53
  5. Step 5: Solve for x
    x = 26,395,901,936.53/187,856.56
  6. Step 6: Final answer
    x = 140,510.94

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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.