Home / 106,815.74-160,234.60-40,311.86

Finding the Fourth Proportional to 106,815.74, 160,234.60 and 40,311.86

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Solution

The fourth proportional to 106,815.74, 160,234.60 and 40,311.86 is: 60,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,815.74 : 160,234.60 = 40,311.86 : x
  2. Step 2: Convert to fraction form
    106,815.74/160,234.60 = 40,311.86/x
  3. Step 3: Cross multiply
    106,815.74x = 160,234.60 × 40,311.86
  4. Step 4: Simplify right side
    106,815.74x = 6,459,354,762.36
  5. Step 5: Solve for x
    x = 6,459,354,762.36/106,815.74
  6. Step 6: Final answer
    x = 60,471.94

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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.