Home / 226,440.72-312,487.48-124,472.54

Finding the Fourth Proportional to 226,440.72, 312,487.48 and 124,472.54

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Solution

The fourth proportional to 226,440.72, 312,487.48 and 124,472.54 is: 171,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,440.72 : 312,487.48 = 124,472.54 : x
  2. Step 2: Convert to fraction form
    226,440.72/312,487.48 = 124,472.54/x
  3. Step 3: Cross multiply
    226,440.72x = 312,487.48 × 124,472.54
  4. Step 4: Simplify right side
    226,440.72x = 38,896,108,480.18
  5. Step 5: Solve for x
    x = 38,896,108,480.18/226,440.72
  6. Step 6: Final answer
    x = 171,771.71

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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.