Home / 345,534.85-518,302.28-196,067.07

Finding the Fourth Proportional to 345,534.85, 518,302.28 and 196,067.07

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Solution

The fourth proportional to 345,534.85, 518,302.28 and 196,067.07 is: 294,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,534.85 : 518,302.28 = 196,067.07 : x
  2. Step 2: Convert to fraction form
    345,534.85/518,302.28 = 196,067.07/x
  3. Step 3: Cross multiply
    345,534.85x = 518,302.28 × 196,067.07
  4. Step 4: Simplify right side
    345,534.85x = 101,622,008,433.58
  5. Step 5: Solve for x
    x = 101,622,008,433.58/345,534.85
  6. Step 6: Final answer
    x = 294,100.61

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1.5x scale

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.