Home / 157,067.80-216,634.77-108,750.59

Finding the Fourth Proportional to 157,067.80, 216,634.77 and 108,750.59

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Solution

The fourth proportional to 157,067.80, 216,634.77 and 108,750.59 is: 149,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,067.80 : 216,634.77 = 108,750.59 : x
  2. Step 2: Convert to fraction form
    157,067.80/216,634.77 = 108,750.59/x
  3. Step 3: Cross multiply
    157,067.80x = 216,634.77 × 108,750.59
  4. Step 4: Simplify right side
    157,067.80x = 23,559,159,087.08
  5. Step 5: Solve for x
    x = 23,559,159,087.08/157,067.80
  6. Step 6: Final answer
    x = 149,993.57

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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.