Home / 204,372.72-306,621.50-104,603.61

Finding the Fourth Proportional to 204,372.72, 306,621.50 and 104,603.61

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Solution

The fourth proportional to 204,372.72, 306,621.50 and 104,603.61 is: 156,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,372.72 : 306,621.50 = 104,603.61 : x
  2. Step 2: Convert to fraction form
    204,372.72/306,621.50 = 104,603.61/x
  3. Step 3: Cross multiply
    204,372.72x = 306,621.50 × 104,603.61
  4. Step 4: Simplify right side
    204,372.72x = 32,073,714,270.51
  5. Step 5: Solve for x
    x = 32,073,714,270.51/204,372.72
  6. Step 6: Final answer
    x = 156,937.36

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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.