Home / 187,947.28-259,116.30-149,313.27

Finding the Fourth Proportional to 187,947.28, 259,116.30 and 149,313.27

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Solution

The fourth proportional to 187,947.28, 259,116.30 and 149,313.27 is: 205,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,947.28 : 259,116.30 = 149,313.27 : x
  2. Step 2: Convert to fraction form
    187,947.28/259,116.30 = 149,313.27/x
  3. Step 3: Cross multiply
    187,947.28x = 259,116.30 × 149,313.27
  4. Step 4: Simplify right side
    187,947.28x = 38,689,502,063.30
  5. Step 5: Solve for x
    x = 38,689,502,063.30/187,947.28
  6. Step 6: Final answer
    x = 205,852.95

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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.