Home / 125,821.37-173,576.30-74,805.18

Finding the Fourth Proportional to 125,821.37, 173,576.30 and 74,805.18

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Solution

The fourth proportional to 125,821.37, 173,576.30 and 74,805.18 is: 103,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,821.37 : 173,576.30 = 74,805.18 : x
  2. Step 2: Convert to fraction form
    125,821.37/173,576.30 = 74,805.18/x
  3. Step 3: Cross multiply
    125,821.37x = 173,576.30 × 74,805.18
  4. Step 4: Simplify right side
    125,821.37x = 12,984,406,365.23
  5. Step 5: Solve for x
    x = 12,984,406,365.23/125,821.37
  6. Step 6: Final answer
    x = 103,197.15

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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.