Home / 226,388.94-312,418.59-141,555.18

Finding the Fourth Proportional to 226,388.94, 312,418.59 and 141,555.18

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Solution

The fourth proportional to 226,388.94, 312,418.59 and 141,555.18 is: 195,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,388.94 : 312,418.59 = 141,555.18 : x
  2. Step 2: Convert to fraction form
    226,388.94/312,418.59 = 141,555.18/x
  3. Step 3: Cross multiply
    226,388.94x = 312,418.59 × 141,555.18
  4. Step 4: Simplify right side
    226,388.94x = 44,224,469,742.80
  5. Step 5: Solve for x
    x = 44,224,469,742.80/226,388.94
  6. Step 6: Final answer
    x = 195,347.31

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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.