Home / 409,121.40-613,244.70-184,443.60

Finding the Fourth Proportional to 409,121.40, 613,244.70 and 184,443.60

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Solution

The fourth proportional to 409,121.40, 613,244.70 and 184,443.60 is: 276,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,121.40 : 613,244.70 = 184,443.60 : x
  2. Step 2: Convert to fraction form
    409,121.40/613,244.70 = 184,443.60/x
  3. Step 3: Cross multiply
    409,121.40x = 613,244.70 × 184,443.60
  4. Step 4: Simplify right side
    409,121.40x = 113,109,060,148.92
  5. Step 5: Solve for x
    x = 113,109,060,148.92/409,121.40
  6. Step 6: Final answer
    x = 276,468.21

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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.