Home / 118,236.49-163,169.81-64,524.96

Finding the Fourth Proportional to 118,236.49, 163,169.81 and 64,524.96

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Solution

The fourth proportional to 118,236.49, 163,169.81 and 64,524.96 is: 89,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,236.49 : 163,169.81 = 64,524.96 : x
  2. Step 2: Convert to fraction form
    118,236.49/163,169.81 = 64,524.96/x
  3. Step 3: Cross multiply
    118,236.49x = 163,169.81 × 64,524.96
  4. Step 4: Simplify right side
    118,236.49x = 10,528,525,382.80
  5. Step 5: Solve for x
    x = 10,528,525,382.80/118,236.49
  6. Step 6: Final answer
    x = 89,046.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.