Home / 226,645.72-312,764.54-124,671.23

Finding the Fourth Proportional to 226,645.72, 312,764.54 and 124,671.23

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Solution

The fourth proportional to 226,645.72, 312,764.54 and 124,671.23 is: 172,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,645.72 : 312,764.54 = 124,671.23 : x
  2. Step 2: Convert to fraction form
    226,645.72/312,764.54 = 124,671.23/x
  3. Step 3: Cross multiply
    226,645.72x = 312,764.54 × 124,671.23
  4. Step 4: Simplify right side
    226,645.72x = 38,992,738,709.50
  5. Step 5: Solve for x
    x = 38,992,738,709.50/226,645.72
  6. Step 6: Final answer
    x = 172,042.69

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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.