Home / 226,217.61-312,180.89-125,615.61

Finding the Fourth Proportional to 226,217.61, 312,180.89 and 125,615.61

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Solution

The fourth proportional to 226,217.61, 312,180.89 and 125,615.61 is: 173,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,217.61 : 312,180.89 = 125,615.61 : x
  2. Step 2: Convert to fraction form
    226,217.61/312,180.89 = 125,615.61/x
  3. Step 3: Cross multiply
    226,217.61x = 312,180.89 × 125,615.61
  4. Step 4: Simplify right side
    226,217.61x = 39,214,792,299.61
  5. Step 5: Solve for x
    x = 39,214,792,299.61/226,217.61
  6. Step 6: Final answer
    x = 173,349.87

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1.5x scale

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.