Home / 186,569.73-279,896.18-68,238.45

Finding the Fourth Proportional to 186,569.73, 279,896.18 and 68,238.45

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Solution

The fourth proportional to 186,569.73, 279,896.18 and 68,238.45 is: 102,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,569.73 : 279,896.18 = 68,238.45 : x
  2. Step 2: Convert to fraction form
    186,569.73/279,896.18 = 68,238.45/x
  3. Step 3: Cross multiply
    186,569.73x = 279,896.18 × 68,238.45
  4. Step 4: Simplify right side
    186,569.73x = 19,099,681,142.93
  5. Step 5: Solve for x
    x = 19,099,681,142.93/186,569.73
  6. Step 6: Final answer
    x = 102,372.88

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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.