Home / 242,697.10-363,998.67-74,176.60

Finding the Fourth Proportional to 242,697.10, 363,998.67 and 74,176.60

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Solution

The fourth proportional to 242,697.10, 363,998.67 and 74,176.60 is: 111,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,697.10 : 363,998.67 = 74,176.60 : x
  2. Step 2: Convert to fraction form
    242,697.10/363,998.67 = 74,176.60/x
  3. Step 3: Cross multiply
    242,697.10x = 363,998.67 × 74,176.60
  4. Step 4: Simplify right side
    242,697.10x = 27,000,183,745.12
  5. Step 5: Solve for x
    x = 27,000,183,745.12/242,697.10
  6. Step 6: Final answer
    x = 111,250.54

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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.