Home / 324,074.08-447,316.10-188,138.56

Finding the Fourth Proportional to 324,074.08, 447,316.10 and 188,138.56

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Solution

The fourth proportional to 324,074.08, 447,316.10 and 188,138.56 is: 259,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,074.08 : 447,316.10 = 188,138.56 : x
  2. Step 2: Convert to fraction form
    324,074.08/447,316.10 = 188,138.56/x
  3. Step 3: Cross multiply
    324,074.08x = 447,316.10 × 188,138.56
  4. Step 4: Simplify right side
    324,074.08x = 84,157,406,918.82
  5. Step 5: Solve for x
    x = 84,157,406,918.82/324,074.08
  6. Step 6: Final answer
    x = 259,685.71

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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.