Home / 226,432.36-312,147.33-158,237.61

Finding the Fourth Proportional to 226,432.36, 312,147.33 and 158,237.61

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Solution

The fourth proportional to 226,432.36, 312,147.33 and 158,237.61 is: 218,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,432.36 : 312,147.33 = 158,237.61 : x
  2. Step 2: Convert to fraction form
    226,432.36/312,147.33 = 158,237.61/x
  3. Step 3: Cross multiply
    226,432.36x = 312,147.33 × 158,237.61
  4. Step 4: Simplify right side
    226,432.36x = 49,393,447,467.08
  5. Step 5: Solve for x
    x = 49,393,447,467.08/226,432.36
  6. Step 6: Final answer
    x = 218,137.76

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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.