Home / 347,811.56-479,966.20-196,908.56

Finding the Fourth Proportional to 347,811.56, 479,966.20 and 196,908.56

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Solution

The fourth proportional to 347,811.56, 479,966.20 and 196,908.56 is: 271,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,811.56 : 479,966.20 = 196,908.56 : x
  2. Step 2: Convert to fraction form
    347,811.56/479,966.20 = 196,908.56/x
  3. Step 3: Cross multiply
    347,811.56x = 479,966.20 × 196,908.56
  4. Step 4: Simplify right side
    347,811.56x = 94,509,453,290.67
  5. Step 5: Solve for x
    x = 94,509,453,290.67/347,811.56
  6. Step 6: Final answer
    x = 271,726.03

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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.