Home / 165,405.92-248,129.39-47,086.49

Finding the Fourth Proportional to 165,405.92, 248,129.39 and 47,086.49

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Solution

The fourth proportional to 165,405.92, 248,129.39 and 47,086.49 is: 70,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,405.92 : 248,129.39 = 47,086.49 : x
  2. Step 2: Convert to fraction form
    165,405.92/248,129.39 = 47,086.49/x
  3. Step 3: Cross multiply
    165,405.92x = 248,129.39 × 47,086.49
  4. Step 4: Simplify right side
    165,405.92x = 11,683,541,118.39
  5. Step 5: Solve for x
    x = 11,683,541,118.39/165,405.92
  6. Step 6: Final answer
    x = 70,635.57

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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.