Home / 119,926.20-179,910.90-49,812.60

Finding the Fourth Proportional to 119,926.20, 179,910.90 and 49,812.60

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Solution

The fourth proportional to 119,926.20, 179,910.90 and 49,812.60 is: 74,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,926.20 : 179,910.90 = 49,812.60 : x
  2. Step 2: Convert to fraction form
    119,926.20/179,910.90 = 49,812.60/x
  3. Step 3: Cross multiply
    119,926.20x = 179,910.90 × 49,812.60
  4. Step 4: Simplify right side
    119,926.20x = 8,961,829,697.34
  5. Step 5: Solve for x
    x = 8,961,829,697.34/119,926.20
  6. Step 6: Final answer
    x = 74,727.87

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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.