Home / 242,199.68-363,376.32-131,331.20

Finding the Fourth Proportional to 242,199.68, 363,376.32 and 131,331.20

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Solution

The fourth proportional to 242,199.68, 363,376.32 and 131,331.20 is: 197,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,199.68 : 363,376.32 = 131,331.20 : x
  2. Step 2: Convert to fraction form
    242,199.68/363,376.32 = 131,331.20/x
  3. Step 3: Cross multiply
    242,199.68x = 363,376.32 × 131,331.20
  4. Step 4: Simplify right side
    242,199.68x = 47,722,648,157.18
  5. Step 5: Solve for x
    x = 47,722,648,157.18/242,199.68
  6. Step 6: Final answer
    x = 197,038.44

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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.