Home / 186,586.20-279,809.64-60,194.70

Finding the Fourth Proportional to 186,586.20, 279,809.64 and 60,194.70

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Solution

The fourth proportional to 186,586.20, 279,809.64 and 60,194.70 is: 90,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,586.20 : 279,809.64 = 60,194.70 : x
  2. Step 2: Convert to fraction form
    186,586.20/279,809.64 = 60,194.70/x
  3. Step 3: Cross multiply
    186,586.20x = 279,809.64 × 60,194.70
  4. Step 4: Simplify right side
    186,586.20x = 16,843,057,336.91
  5. Step 5: Solve for x
    x = 16,843,057,336.91/186,586.20
  6. Step 6: Final answer
    x = 90,269.58

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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.