Home / 186,517.05-279,541.57-79,775.73

Finding the Fourth Proportional to 186,517.05, 279,541.57 and 79,775.73

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Solution

The fourth proportional to 186,517.05, 279,541.57 and 79,775.73 is: 119,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,517.05 : 279,541.57 = 79,775.73 : x
  2. Step 2: Convert to fraction form
    186,517.05/279,541.57 = 79,775.73/x
  3. Step 3: Cross multiply
    186,517.05x = 279,541.57 × 79,775.73
  4. Step 4: Simplify right side
    186,517.05x = 22,300,632,812.10
  5. Step 5: Solve for x
    x = 22,300,632,812.10/186,517.05
  6. Step 6: Final answer
    x = 119,563.51

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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.