Home / 118,564.38-163,649.22-82,268.36

Finding the Fourth Proportional to 118,564.38, 163,649.22 and 82,268.36

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Solution

The fourth proportional to 118,564.38, 163,649.22 and 82,268.36 is: 113,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,564.38 : 163,649.22 = 82,268.36 : x
  2. Step 2: Convert to fraction form
    118,564.38/163,649.22 = 82,268.36/x
  3. Step 3: Cross multiply
    118,564.38x = 163,649.22 × 82,268.36
  4. Step 4: Simplify right side
    118,564.38x = 13,463,152,944.68
  5. Step 5: Solve for x
    x = 13,463,152,944.68/118,564.38
  6. Step 6: Final answer
    x = 113,551.41

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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.