Home / 186,471.04-257,331.72-109,991.92

Finding the Fourth Proportional to 186,471.04, 257,331.72 and 109,991.92

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Solution

The fourth proportional to 186,471.04, 257,331.72 and 109,991.92 is: 151,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,471.04 : 257,331.72 = 109,991.92 : x
  2. Step 2: Convert to fraction form
    186,471.04/257,331.72 = 109,991.92/x
  3. Step 3: Cross multiply
    186,471.04x = 257,331.72 × 109,991.92
  4. Step 4: Simplify right side
    186,471.04x = 28,304,409,959.70
  5. Step 5: Solve for x
    x = 28,304,409,959.70/186,471.04
  6. Step 6: Final answer
    x = 151,789.84

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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.