Home / 347,237.15-479,184.67-196,339.55

Finding the Fourth Proportional to 347,237.15, 479,184.67 and 196,339.55

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Solution

The fourth proportional to 347,237.15, 479,184.67 and 196,339.55 is: 270,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,237.15 : 479,184.67 = 196,339.55 : x
  2. Step 2: Convert to fraction form
    347,237.15/479,184.67 = 196,339.55/x
  3. Step 3: Cross multiply
    347,237.15x = 479,184.67 × 196,339.55
  4. Step 4: Simplify right side
    347,237.15x = 94,082,902,474.70
  5. Step 5: Solve for x
    x = 94,082,902,474.70/347,237.15
  6. Step 6: Final answer
    x = 270,947.11

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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.