Home / 172,778.09-259,149.61-46,401.91

Finding the Fourth Proportional to 172,778.09, 259,149.61 and 46,401.91

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Solution

The fourth proportional to 172,778.09, 259,149.61 and 46,401.91 is: 69,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,778.09 : 259,149.61 = 46,401.91 : x
  2. Step 2: Convert to fraction form
    172,778.09/259,149.61 = 46,401.91/x
  3. Step 3: Cross multiply
    172,778.09x = 259,149.61 × 46,401.91
  4. Step 4: Simplify right side
    172,778.09x = 12,025,036,289.88
  5. Step 5: Solve for x
    x = 12,025,036,289.88/172,778.09
  6. Step 6: Final answer
    x = 69,598.16

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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.