Home / 186,003.87-256,705.38-105,422.73

Finding the Fourth Proportional to 186,003.87, 256,705.38 and 105,422.73

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Solution

The fourth proportional to 186,003.87, 256,705.38 and 105,422.73 is: 145,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,003.87 : 256,705.38 = 105,422.73 : x
  2. Step 2: Convert to fraction form
    186,003.87/256,705.38 = 105,422.73/x
  3. Step 3: Cross multiply
    186,003.87x = 256,705.38 × 105,422.73
  4. Step 4: Simplify right side
    186,003.87x = 27,062,581,965.29
  5. Step 5: Solve for x
    x = 27,062,581,965.29/186,003.87
  6. Step 6: Final answer
    x = 145,494.73

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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.