Home / 330,126.54-455,786.34-226,932.36

Finding the Fourth Proportional to 330,126.54, 455,786.34 and 226,932.36

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Solution

The fourth proportional to 330,126.54, 455,786.34 and 226,932.36 is: 313,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,126.54 : 455,786.34 = 226,932.36 : x
  2. Step 2: Convert to fraction form
    330,126.54/455,786.34 = 226,932.36/x
  3. Step 3: Cross multiply
    330,126.54x = 455,786.34 × 226,932.36
  4. Step 4: Simplify right side
    330,126.54x = 103,432,669,791.96
  5. Step 5: Solve for x
    x = 103,432,669,791.96/330,126.54
  6. Step 6: Final answer
    x = 313,312.19

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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.