Home / 218,899.77-328,476.26-92,531.84

Finding the Fourth Proportional to 218,899.77, 328,476.26 and 92,531.84

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Solution

The fourth proportional to 218,899.77, 328,476.26 and 92,531.84 is: 138,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,899.77 : 328,476.26 = 92,531.84 : x
  2. Step 2: Convert to fraction form
    218,899.77/328,476.26 = 92,531.84/x
  3. Step 3: Cross multiply
    218,899.77x = 328,476.26 × 92,531.84
  4. Step 4: Simplify right side
    218,899.77x = 30,394,511,323.07
  5. Step 5: Solve for x
    x = 30,394,511,323.07/218,899.77
  6. Step 6: Final answer
    x = 138,851.27

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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.