Home / 131,790.91-197,610.60-40,582.66

Finding the Fourth Proportional to 131,790.91, 197,610.60 and 40,582.66

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Solution

The fourth proportional to 131,790.91, 197,610.60 and 40,582.66 is: 60,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,790.91 : 197,610.60 = 40,582.66 : x
  2. Step 2: Convert to fraction form
    131,790.91/197,610.60 = 40,582.66/x
  3. Step 3: Cross multiply
    131,790.91x = 197,610.60 × 40,582.66
  4. Step 4: Simplify right side
    131,790.91x = 8,019,563,792.20
  5. Step 5: Solve for x
    x = 8,019,563,792.20/131,790.91
  6. Step 6: Final answer
    x = 60,850.66

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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.