Home / 161,355.60-242,099.62-71,350.83

Finding the Fourth Proportional to 161,355.60, 242,099.62 and 71,350.83

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Solution

The fourth proportional to 161,355.60, 242,099.62 and 71,350.83 is: 107,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,355.60 : 242,099.62 = 71,350.83 : x
  2. Step 2: Convert to fraction form
    161,355.60/242,099.62 = 71,350.83/x
  3. Step 3: Cross multiply
    161,355.60x = 242,099.62 × 71,350.83
  4. Step 4: Simplify right side
    161,355.60x = 17,274,008,651.31
  5. Step 5: Solve for x
    x = 17,274,008,651.31/161,355.60
  6. Step 6: Final answer
    x = 107,055.53

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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.