Home / 357,778.20-493,738.07-196,633.52

Finding the Fourth Proportional to 357,778.20, 493,738.07 and 196,633.52

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Solution

The fourth proportional to 357,778.20, 493,738.07 and 196,633.52 is: 271,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,778.20 : 493,738.07 = 196,633.52 : x
  2. Step 2: Convert to fraction form
    357,778.20/493,738.07 = 196,633.52/x
  3. Step 3: Cross multiply
    357,778.20x = 493,738.07 × 196,633.52
  4. Step 4: Simplify right side
    357,778.20x = 97,085,451,210.25
  5. Step 5: Solve for x
    x = 97,085,451,210.25/357,778.20
  6. Step 6: Final answer
    x = 271,356.53

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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.