Home / 186,468.51-279,730.33-68,112.17

Finding the Fourth Proportional to 186,468.51, 279,730.33 and 68,112.17

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Solution

The fourth proportional to 186,468.51, 279,730.33 and 68,112.17 is: 102,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,468.51 : 279,730.33 = 68,112.17 : x
  2. Step 2: Convert to fraction form
    186,468.51/279,730.33 = 68,112.17/x
  3. Step 3: Cross multiply
    186,468.51x = 279,730.33 × 68,112.17
  4. Step 4: Simplify right side
    186,468.51x = 19,053,039,791.12
  5. Step 5: Solve for x
    x = 19,053,039,791.12/186,468.51
  6. Step 6: Final answer
    x = 102,178.32

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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.