Home / 242,621.12-363,997.19-74,136.84

Finding the Fourth Proportional to 242,621.12, 363,997.19 and 74,136.84

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Solution

The fourth proportional to 242,621.12, 363,997.19 and 74,136.84 is: 111,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,621.12 : 363,997.19 = 74,136.84 : x
  2. Step 2: Convert to fraction form
    242,621.12/363,997.19 = 74,136.84/x
  3. Step 3: Cross multiply
    242,621.12x = 363,997.19 × 74,136.84
  4. Step 4: Simplify right side
    242,621.12x = 26,985,600,255.83
  5. Step 5: Solve for x
    x = 26,985,600,255.83/242,621.12
  6. Step 6: Final answer
    x = 111,225.27

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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.