Home / 186,505.45-279,760.10-149,302.06

Finding the Fourth Proportional to 186,505.45, 279,760.10 and 149,302.06

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Solution

The fourth proportional to 186,505.45, 279,760.10 and 149,302.06 is: 223,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,505.45 : 279,760.10 = 149,302.06 : x
  2. Step 2: Convert to fraction form
    186,505.45/279,760.10 = 149,302.06/x
  3. Step 3: Cross multiply
    186,505.45x = 279,760.10 × 149,302.06
  4. Step 4: Simplify right side
    186,505.45x = 41,768,757,789.90
  5. Step 5: Solve for x
    x = 41,768,757,789.90/186,505.45
  6. Step 6: Final answer
    x = 223,954.63

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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.