Home / 110,531.33-165,677.02-72,564.66

Finding the Fourth Proportional to 110,531.33, 165,677.02 and 72,564.66

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Solution

The fourth proportional to 110,531.33, 165,677.02 and 72,564.66 is: 108,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,531.33 : 165,677.02 = 72,564.66 : x
  2. Step 2: Convert to fraction form
    110,531.33/165,677.02 = 72,564.66/x
  3. Step 3: Cross multiply
    110,531.33x = 165,677.02 × 72,564.66
  4. Step 4: Simplify right side
    110,531.33x = 12,022,297,653.87
  5. Step 5: Solve for x
    x = 12,022,297,653.87/110,531.33
  6. Step 6: Final answer
    x = 108,768.24

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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.