Home / 374,229.20-561,343.80-107,998.40

Finding the Fourth Proportional to 374,229.20, 561,343.80 and 107,998.40

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Solution

The fourth proportional to 374,229.20, 561,343.80 and 107,998.40 is: 161,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,229.20 : 561,343.80 = 107,998.40 : x
  2. Step 2: Convert to fraction form
    374,229.20/561,343.80 = 107,998.40/x
  3. Step 3: Cross multiply
    374,229.20x = 561,343.80 × 107,998.40
  4. Step 4: Simplify right side
    374,229.20x = 60,624,232,249.92
  5. Step 5: Solve for x
    x = 60,624,232,249.92/374,229.20
  6. Step 6: Final answer
    x = 161,997.60

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Similar ratio
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1.5x scale

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.