Home / 186,219.19-278,545.92-156,979

Finding the Fourth Proportional to 186,219.19, 278,545.92 and 156,979

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Solution

The fourth proportional to 186,219.19, 278,545.92 and 156,979 is: 234,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,219.19 : 278,545.92 = 156,979 : x
  2. Step 2: Convert to fraction form
    186,219.19/278,545.92 = 156,979/x
  3. Step 3: Cross multiply
    186,219.19x = 278,545.92 × 156,979
  4. Step 4: Simplify right side
    186,219.19x = 43,725,859,975.68
  5. Step 5: Solve for x
    x = 43,725,859,975.68/186,219.19
  6. Step 6: Final answer
    x = 234,808.56

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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.