Home / 187,799.50-259,163.58-102,914.74

Finding the Fourth Proportional to 187,799.50, 259,163.58 and 102,914.74

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Solution

The fourth proportional to 187,799.50, 259,163.58 and 102,914.74 is: 142,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,799.50 : 259,163.58 = 102,914.74 : x
  2. Step 2: Convert to fraction form
    187,799.50/259,163.58 = 102,914.74/x
  3. Step 3: Cross multiply
    187,799.50x = 259,163.58 × 102,914.74
  4. Step 4: Simplify right side
    187,799.50x = 26,671,752,453.17
  5. Step 5: Solve for x
    x = 26,671,752,453.17/187,799.50
  6. Step 6: Final answer
    x = 142,022.49

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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.