Home / 186,519.05-279,544.57-79,777.73

Finding the Fourth Proportional to 186,519.05, 279,544.57 and 79,777.73

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Solution

The fourth proportional to 186,519.05, 279,544.57 and 79,777.73 is: 119,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,519.05 : 279,544.57 = 79,777.73 : x
  2. Step 2: Convert to fraction form
    186,519.05/279,544.57 = 79,777.73/x
  3. Step 3: Cross multiply
    186,519.05x = 279,544.57 × 79,777.73
  4. Step 4: Simplify right side
    186,519.05x = 22,301,431,228.43
  5. Step 5: Solve for x
    x = 22,301,431,228.43/186,519.05
  6. Step 6: Final answer
    x = 119,566.51

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1.5x scale

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.