Home / 397,225.14-548,174.26-215,937.42

Finding the Fourth Proportional to 397,225.14, 548,174.26 and 215,937.42

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Solution

The fourth proportional to 397,225.14, 548,174.26 and 215,937.42 is: 297,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,225.14 : 548,174.26 = 215,937.42 : x
  2. Step 2: Convert to fraction form
    397,225.14/548,174.26 = 215,937.42/x
  3. Step 3: Cross multiply
    397,225.14x = 548,174.26 × 215,937.42
  4. Step 4: Simplify right side
    397,225.14x = 118,371,335,414.81
  5. Step 5: Solve for x
    x = 118,371,335,414.81/397,225.14
  6. Step 6: Final answer
    x = 297,995.58

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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.