Home / 315,255.98-471,774.45-196,983.02

Finding the Fourth Proportional to 315,255.98, 471,774.45 and 196,983.02

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Solution

The fourth proportional to 315,255.98, 471,774.45 and 196,983.02 is: 294,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,255.98 : 471,774.45 = 196,983.02 : x
  2. Step 2: Convert to fraction form
    315,255.98/471,774.45 = 196,983.02/x
  3. Step 3: Cross multiply
    315,255.98x = 471,774.45 × 196,983.02
  4. Step 4: Simplify right side
    315,255.98x = 92,931,555,919.84
  5. Step 5: Solve for x
    x = 92,931,555,919.84/315,255.98
  6. Step 6: Final answer
    x = 294,781.26

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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.