Home / 275,162.13-379,562.85-173,025.90

Finding the Fourth Proportional to 275,162.13, 379,562.85 and 173,025.90

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Solution

The fourth proportional to 275,162.13, 379,562.85 and 173,025.90 is: 238,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,162.13 : 379,562.85 = 173,025.90 : x
  2. Step 2: Convert to fraction form
    275,162.13/379,562.85 = 173,025.90/x
  3. Step 3: Cross multiply
    275,162.13x = 379,562.85 × 173,025.90
  4. Step 4: Simplify right side
    275,162.13x = 65,674,203,727.82
  5. Step 5: Solve for x
    x = 65,674,203,727.82/275,162.13
  6. Step 6: Final answer
    x = 238,674.57

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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.