Home / 125,266.37-172,874.66-74,309.27

Finding the Fourth Proportional to 125,266.37, 172,874.66 and 74,309.27

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Solution

The fourth proportional to 125,266.37, 172,874.66 and 74,309.27 is: 102,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,266.37 : 172,874.66 = 74,309.27 : x
  2. Step 2: Convert to fraction form
    125,266.37/172,874.66 = 74,309.27/x
  3. Step 3: Cross multiply
    125,266.37x = 172,874.66 × 74,309.27
  4. Step 4: Simplify right side
    125,266.37x = 12,846,188,550.18
  5. Step 5: Solve for x
    x = 12,846,188,550.18/125,266.37
  6. Step 6: Final answer
    x = 102,550.98

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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.