Home / 193,051.71-289,257.52-136,612.17

Finding the Fourth Proportional to 193,051.71, 289,257.52 and 136,612.17

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Solution

The fourth proportional to 193,051.71, 289,257.52 and 136,612.17 is: 204,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,051.71 : 289,257.52 = 136,612.17 : x
  2. Step 2: Convert to fraction form
    193,051.71/289,257.52 = 136,612.17/x
  3. Step 3: Cross multiply
    193,051.71x = 289,257.52 × 136,612.17
  4. Step 4: Simplify right side
    193,051.71x = 39,516,097,496.02
  5. Step 5: Solve for x
    x = 39,516,097,496.02/193,051.71
  6. Step 6: Final answer
    x = 204,691.78

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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.