Home / 347,422.50-479,456.01-196,516.26

Finding the Fourth Proportional to 347,422.50, 479,456.01 and 196,516.26

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Solution

The fourth proportional to 347,422.50, 479,456.01 and 196,516.26 is: 271,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,422.50 : 479,456.01 = 196,516.26 : x
  2. Step 2: Convert to fraction form
    347,422.50/479,456.01 = 196,516.26/x
  3. Step 3: Cross multiply
    347,422.50x = 479,456.01 × 196,516.26
  4. Step 4: Simplify right side
    347,422.50x = 94,220,901,919.72
  5. Step 5: Solve for x
    x = 94,220,901,919.72/347,422.50
  6. Step 6: Final answer
    x = 271,199.77

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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.