Home / 186,626.34-279,882.09-53,470.89

Finding the Fourth Proportional to 186,626.34, 279,882.09 and 53,470.89

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Solution

The fourth proportional to 186,626.34, 279,882.09 and 53,470.89 is: 80,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626.34 : 279,882.09 = 53,470.89 : x
  2. Step 2: Convert to fraction form
    186,626.34/279,882.09 = 53,470.89/x
  3. Step 3: Cross multiply
    186,626.34x = 279,882.09 × 53,470.89
  4. Step 4: Simplify right side
    186,626.34x = 14,965,544,447.36
  5. Step 5: Solve for x
    x = 14,965,544,447.36/186,626.34
  6. Step 6: Final answer
    x = 80,189.88

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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.