Home / 215,591.10-323,433.99-63,776.30

Finding the Fourth Proportional to 215,591.10, 323,433.99 and 63,776.30

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Solution

The fourth proportional to 215,591.10, 323,433.99 and 63,776.30 is: 95,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,591.10 : 323,433.99 = 63,776.30 : x
  2. Step 2: Convert to fraction form
    215,591.10/323,433.99 = 63,776.30/x
  3. Step 3: Cross multiply
    215,591.10x = 323,433.99 × 63,776.30
  4. Step 4: Simplify right side
    215,591.10x = 20,627,422,558.61
  5. Step 5: Solve for x
    x = 20,627,422,558.61/215,591.10
  6. Step 6: Final answer
    x = 95,678.45

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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.