Home / 186,725.92-279,976.32-74,423.52

Finding the Fourth Proportional to 186,725.92, 279,976.32 and 74,423.52

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Solution

The fourth proportional to 186,725.92, 279,976.32 and 74,423.52 is: 111,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,725.92 : 279,976.32 = 74,423.52 : x
  2. Step 2: Convert to fraction form
    186,725.92/279,976.32 = 74,423.52/x
  3. Step 3: Cross multiply
    186,725.92x = 279,976.32 × 74,423.52
  4. Step 4: Simplify right side
    186,725.92x = 20,836,823,251.05
  5. Step 5: Solve for x
    x = 20,836,823,251.05/186,725.92
  6. Step 6: Final answer
    x = 111,590.42

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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.