Home / 115,185.91-172,778.16-29,796.77

Finding the Fourth Proportional to 115,185.91, 172,778.16 and 29,796.77

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Solution

The fourth proportional to 115,185.91, 172,778.16 and 29,796.77 is: 44,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,185.91 : 172,778.16 = 29,796.77 : x
  2. Step 2: Convert to fraction form
    115,185.91/172,778.16 = 29,796.77/x
  3. Step 3: Cross multiply
    115,185.91x = 172,778.16 × 29,796.77
  4. Step 4: Simplify right side
    115,185.91x = 5,148,231,094.54
  5. Step 5: Solve for x
    x = 5,148,231,094.54/115,185.91
  6. Step 6: Final answer
    x = 44,694.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.