Home / 347,218.72-479,159.42-194,256.29

Finding the Fourth Proportional to 347,218.72, 479,159.42 and 194,256.29

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Solution

The fourth proportional to 347,218.72, 479,159.42 and 194,256.29 is: 268,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,218.72 : 479,159.42 = 194,256.29 : x
  2. Step 2: Convert to fraction form
    347,218.72/479,159.42 = 194,256.29/x
  3. Step 3: Cross multiply
    347,218.72x = 479,159.42 × 194,256.29
  4. Step 4: Simplify right side
    347,218.72x = 93,079,731,474.37
  5. Step 5: Solve for x
    x = 93,079,731,474.37/347,218.72
  6. Step 6: Final answer
    x = 268,072.33

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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.