Home / 187,826.92-259,203.45-102,943.78

Finding the Fourth Proportional to 187,826.92, 259,203.45 and 102,943.78

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Solution

The fourth proportional to 187,826.92, 259,203.45 and 102,943.78 is: 142,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,826.92 : 259,203.45 = 102,943.78 : x
  2. Step 2: Convert to fraction form
    187,826.92/259,203.45 = 102,943.78/x
  3. Step 3: Cross multiply
    187,826.92x = 259,203.45 × 102,943.78
  4. Step 4: Simplify right side
    187,826.92x = 26,683,382,932.04
  5. Step 5: Solve for x
    x = 26,683,382,932.04/187,826.92
  6. Step 6: Final answer
    x = 142,063.68

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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.