Home / 186,154.28-278,986.05-73,773.18

Finding the Fourth Proportional to 186,154.28, 278,986.05 and 73,773.18

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Solution

The fourth proportional to 186,154.28, 278,986.05 and 73,773.18 is: 110,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,154.28 : 278,986.05 = 73,773.18 : x
  2. Step 2: Convert to fraction form
    186,154.28/278,986.05 = 73,773.18/x
  3. Step 3: Cross multiply
    186,154.28x = 278,986.05 × 73,773.18
  4. Step 4: Simplify right side
    186,154.28x = 20,581,687,227.35
  5. Step 5: Solve for x
    x = 20,581,687,227.35/186,154.28
  6. Step 6: Final answer
    x = 110,562.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.