Home / 342,219.06-472,265.44-189,249.35

Finding the Fourth Proportional to 342,219.06, 472,265.44 and 189,249.35

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Solution

The fourth proportional to 342,219.06, 472,265.44 and 189,249.35 is: 261,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,219.06 : 472,265.44 = 189,249.35 : x
  2. Step 2: Convert to fraction form
    342,219.06/472,265.44 = 189,249.35/x
  3. Step 3: Cross multiply
    342,219.06x = 472,265.44 × 189,249.35
  4. Step 4: Simplify right side
    342,219.06x = 89,375,924,713.01
  5. Step 5: Solve for x
    x = 89,375,924,713.01/342,219.06
  6. Step 6: Final answer
    x = 261,165.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.