Home / 226,485.44-312,553.92-124,515.20

Finding the Fourth Proportional to 226,485.44, 312,553.92 and 124,515.20

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Solution

The fourth proportional to 226,485.44, 312,553.92 and 124,515.20 is: 171,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,485.44 : 312,553.92 = 124,515.20 : x
  2. Step 2: Convert to fraction form
    226,485.44/312,553.92 = 124,515.20/x
  3. Step 3: Cross multiply
    226,485.44x = 312,553.92 × 124,515.20
  4. Step 4: Simplify right side
    226,485.44x = 38,917,713,859.58
  5. Step 5: Solve for x
    x = 38,917,713,859.58/226,485.44
  6. Step 6: Final answer
    x = 171,833.18

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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.