Home / 357,379.12-493,160.79-196,233.40

Finding the Fourth Proportional to 357,379.12, 493,160.79 and 196,233.40

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Solution

The fourth proportional to 357,379.12, 493,160.79 and 196,233.40 is: 270,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,379.12 : 493,160.79 = 196,233.40 : x
  2. Step 2: Convert to fraction form
    357,379.12/493,160.79 = 196,233.40/x
  3. Step 3: Cross multiply
    357,379.12x = 493,160.79 × 196,233.40
  4. Step 4: Simplify right side
    357,379.12x = 96,774,618,568.39
  5. Step 5: Solve for x
    x = 96,774,618,568.39/357,379.12
  6. Step 6: Final answer
    x = 270,789.79

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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.