Home / 186,598.11-279,731.44-72,719.54

Finding the Fourth Proportional to 186,598.11, 279,731.44 and 72,719.54

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Solution

The fourth proportional to 186,598.11, 279,731.44 and 72,719.54 is: 109,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,598.11 : 279,731.44 = 72,719.54 : x
  2. Step 2: Convert to fraction form
    186,598.11/279,731.44 = 72,719.54/x
  3. Step 3: Cross multiply
    186,598.11x = 279,731.44 × 72,719.54
  4. Step 4: Simplify right side
    186,598.11x = 20,341,942,546.01
  5. Step 5: Solve for x
    x = 20,341,942,546.01/186,598.11
  6. Step 6: Final answer
    x = 109,014.73

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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.