Home / 165,136.17-247,799.59-89,234.97

Finding the Fourth Proportional to 165,136.17, 247,799.59 and 89,234.97

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Solution

The fourth proportional to 165,136.17, 247,799.59 and 89,234.97 is: 133,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,136.17 : 247,799.59 = 89,234.97 : x
  2. Step 2: Convert to fraction form
    165,136.17/247,799.59 = 89,234.97/x
  3. Step 3: Cross multiply
    165,136.17x = 247,799.59 × 89,234.97
  4. Step 4: Simplify right side
    165,136.17x = 22,112,388,203.79
  5. Step 5: Solve for x
    x = 22,112,388,203.79/165,136.17
  6. Step 6: Final answer
    x = 133,903.97

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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.