Home / 204,720.72-307,092.08-64,490.32

Finding the Fourth Proportional to 204,720.72, 307,092.08 and 64,490.32

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Solution

The fourth proportional to 204,720.72, 307,092.08 and 64,490.32 is: 96,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,720.72 : 307,092.08 = 64,490.32 : x
  2. Step 2: Convert to fraction form
    204,720.72/307,092.08 = 64,490.32/x
  3. Step 3: Cross multiply
    204,720.72x = 307,092.08 × 64,490.32
  4. Step 4: Simplify right side
    204,720.72x = 19,804,466,508.67
  5. Step 5: Solve for x
    x = 19,804,466,508.67/204,720.72
  6. Step 6: Final answer
    x = 96,738.95

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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.