Home / 111,518.20-167,276.34-49,188.76

Finding the Fourth Proportional to 111,518.20, 167,276.34 and 49,188.76

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Solution

The fourth proportional to 111,518.20, 167,276.34 and 49,188.76 is: 73,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,518.20 : 167,276.34 = 49,188.76 : x
  2. Step 2: Convert to fraction form
    111,518.20/167,276.34 = 49,188.76/x
  3. Step 3: Cross multiply
    111,518.20x = 167,276.34 × 49,188.76
  4. Step 4: Simplify right side
    111,518.20x = 8,228,115,741.94
  5. Step 5: Solve for x
    x = 8,228,115,741.94/111,518.20
  6. Step 6: Final answer
    x = 73,782.72

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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.