Home / 357,933.49-493,951.53-196,789.66

Finding the Fourth Proportional to 357,933.49, 493,951.53 and 196,789.66

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Solution

The fourth proportional to 357,933.49, 493,951.53 and 196,789.66 is: 271,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,933.49 : 493,951.53 = 196,789.66 : x
  2. Step 2: Convert to fraction form
    357,933.49/493,951.53 = 196,789.66/x
  3. Step 3: Cross multiply
    357,933.49x = 493,951.53 × 196,789.66
  4. Step 4: Simplify right side
    357,933.49x = 97,204,553,645.18
  5. Step 5: Solve for x
    x = 97,204,553,645.18/357,933.49
  6. Step 6: Final answer
    x = 271,571.55

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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.