Home / 226,432.11-312,146.99-158,237.36

Finding the Fourth Proportional to 226,432.11, 312,146.99 and 158,237.36

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Solution

The fourth proportional to 226,432.11, 312,146.99 and 158,237.36 is: 218,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,432.11 : 312,146.99 = 158,237.36 : x
  2. Step 2: Convert to fraction form
    226,432.11/312,146.99 = 158,237.36/x
  3. Step 3: Cross multiply
    226,432.11x = 312,146.99 × 158,237.36
  4. Step 4: Simplify right side
    226,432.11x = 49,393,313,277.62
  5. Step 5: Solve for x
    x = 49,393,313,277.62/226,432.11
  6. Step 6: Final answer
    x = 218,137.41

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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.