Home / 186,286.24-279,272.62-81,025.93

Finding the Fourth Proportional to 186,286.24, 279,272.62 and 81,025.93

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Solution

The fourth proportional to 186,286.24, 279,272.62 and 81,025.93 is: 121,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,286.24 : 279,272.62 = 81,025.93 : x
  2. Step 2: Convert to fraction form
    186,286.24/279,272.62 = 81,025.93/x
  3. Step 3: Cross multiply
    186,286.24x = 279,272.62 × 81,025.93
  4. Step 4: Simplify right side
    186,286.24x = 22,628,323,162.14
  5. Step 5: Solve for x
    x = 22,628,323,162.14/186,286.24
  6. Step 6: Final answer
    x = 121,470.72

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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.