Home / 226,225.75-312,195.30-124,260.64

Finding the Fourth Proportional to 226,225.75, 312,195.30 and 124,260.64

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Solution

The fourth proportional to 226,225.75, 312,195.30 and 124,260.64 is: 171,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,225.75 : 312,195.30 = 124,260.64 : x
  2. Step 2: Convert to fraction form
    226,225.75/312,195.30 = 124,260.64/x
  3. Step 3: Cross multiply
    226,225.75x = 312,195.30 × 124,260.64
  4. Step 4: Simplify right side
    226,225.75x = 38,793,587,782.99
  5. Step 5: Solve for x
    x = 38,793,587,782.99/226,225.75
  6. Step 6: Final answer
    x = 171,481.75

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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.