Home / 181,400.76-250,400.97-136,209.30

Finding the Fourth Proportional to 181,400.76, 250,400.97 and 136,209.30

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Solution

The fourth proportional to 181,400.76, 250,400.97 and 136,209.30 is: 188,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,400.76 : 250,400.97 = 136,209.30 : x
  2. Step 2: Convert to fraction form
    181,400.76/250,400.97 = 136,209.30/x
  3. Step 3: Cross multiply
    181,400.76x = 250,400.97 × 136,209.30
  4. Step 4: Simplify right side
    181,400.76x = 34,106,940,843.02
  5. Step 5: Solve for x
    x = 34,106,940,843.02/181,400.76
  6. Step 6: Final answer
    x = 188,019.83

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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.