Home / 117,932.36-177,021.66-103,983.08

Finding the Fourth Proportional to 117,932.36, 177,021.66 and 103,983.08

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Solution

The fourth proportional to 117,932.36, 177,021.66 and 103,983.08 is: 156,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,932.36 : 177,021.66 = 103,983.08 : x
  2. Step 2: Convert to fraction form
    117,932.36/177,021.66 = 103,983.08/x
  3. Step 3: Cross multiply
    117,932.36x = 177,021.66 × 103,983.08
  4. Step 4: Simplify right side
    117,932.36x = 18,407,257,433.51
  5. Step 5: Solve for x
    x = 18,407,257,433.51/117,932.36
  6. Step 6: Final answer
    x = 156,083.18

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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.