Home / 213,910.07-295,226.78-123,248.66

Finding the Fourth Proportional to 213,910.07, 295,226.78 and 123,248.66

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Solution

The fourth proportional to 213,910.07, 295,226.78 and 123,248.66 is: 170,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,910.07 : 295,226.78 = 123,248.66 : x
  2. Step 2: Convert to fraction form
    213,910.07/295,226.78 = 123,248.66/x
  3. Step 3: Cross multiply
    213,910.07x = 295,226.78 × 123,248.66
  4. Step 4: Simplify right side
    213,910.07x = 36,386,305,031.11
  5. Step 5: Solve for x
    x = 36,386,305,031.11/213,910.07
  6. Step 6: Final answer
    x = 170,100.94

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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.