Home / 125,822.63-173,578.02-74,806.43

Finding the Fourth Proportional to 125,822.63, 173,578.02 and 74,806.43

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Solution

The fourth proportional to 125,822.63, 173,578.02 and 74,806.43 is: 103,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,822.63 : 173,578.02 = 74,806.43 : x
  2. Step 2: Convert to fraction form
    125,822.63/173,578.02 = 74,806.43/x
  3. Step 3: Cross multiply
    125,822.63x = 173,578.02 × 74,806.43
  4. Step 4: Simplify right side
    125,822.63x = 12,984,751,134.78
  5. Step 5: Solve for x
    x = 12,984,751,134.78/125,822.63
  6. Step 6: Final answer
    x = 103,198.86

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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.