Home / 110,338.16-165,408.80-91,770.52

Finding the Fourth Proportional to 110,338.16, 165,408.80 and 91,770.52

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Solution

The fourth proportional to 110,338.16, 165,408.80 and 91,770.52 is: 137,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,338.16 : 165,408.80 = 91,770.52 : x
  2. Step 2: Convert to fraction form
    110,338.16/165,408.80 = 91,770.52/x
  3. Step 3: Cross multiply
    110,338.16x = 165,408.80 × 91,770.52
  4. Step 4: Simplify right side
    110,338.16x = 15,179,651,588.58
  5. Step 5: Solve for x
    x = 15,179,651,588.58/110,338.16
  6. Step 6: Final answer
    x = 137,573.91

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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.