Home / 347,938.24-521,069.82-197,811.28

Finding the Fourth Proportional to 347,938.24, 521,069.82 and 197,811.28

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Solution

The fourth proportional to 347,938.24, 521,069.82 and 197,811.28 is: 296,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,938.24 : 521,069.82 = 197,811.28 : x
  2. Step 2: Convert to fraction form
    347,938.24/521,069.82 = 197,811.28/x
  3. Step 3: Cross multiply
    347,938.24x = 521,069.82 × 197,811.28
  4. Step 4: Simplify right side
    347,938.24x = 103,073,488,063.57
  5. Step 5: Solve for x
    x = 103,073,488,063.57/347,938.24
  6. Step 6: Final answer
    x = 296,240.76

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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.