Home / 186,044.46-279,066.87-67,716.78

Finding the Fourth Proportional to 186,044.46, 279,066.87 and 67,716.78

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Solution

The fourth proportional to 186,044.46, 279,066.87 and 67,716.78 is: 101,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,044.46 : 279,066.87 = 67,716.78 : x
  2. Step 2: Convert to fraction form
    186,044.46/279,066.87 = 67,716.78/x
  3. Step 3: Cross multiply
    186,044.46x = 279,066.87 × 67,716.78
  4. Step 4: Simplify right side
    186,044.46x = 18,897,509,841.08
  5. Step 5: Solve for x
    x = 18,897,509,841.08/186,044.46
  6. Step 6: Final answer
    x = 101,575.24

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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.