Home / 226,650.39-312,767.89-124,669.38

Finding the Fourth Proportional to 226,650.39, 312,767.89 and 124,669.38

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Solution

The fourth proportional to 226,650.39, 312,767.89 and 124,669.38 is: 172,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,650.39 : 312,767.89 = 124,669.38 : x
  2. Step 2: Convert to fraction form
    226,650.39/312,767.89 = 124,669.38/x
  3. Step 3: Cross multiply
    226,650.39x = 312,767.89 × 124,669.38
  4. Step 4: Simplify right side
    226,650.39x = 38,992,578,930.21
  5. Step 5: Solve for x
    x = 38,992,578,930.21/226,650.39
  6. Step 6: Final answer
    x = 172,038.44

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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.