Home / 299,217.68-412,781.34-178,291.16

Finding the Fourth Proportional to 299,217.68, 412,781.34 and 178,291.16

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Solution

The fourth proportional to 299,217.68, 412,781.34 and 178,291.16 is: 245,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,217.68 : 412,781.34 = 178,291.16 : x
  2. Step 2: Convert to fraction form
    299,217.68/412,781.34 = 178,291.16/x
  3. Step 3: Cross multiply
    299,217.68x = 412,781.34 × 178,291.16
  4. Step 4: Simplify right side
    299,217.68x = 73,595,263,934.95
  5. Step 5: Solve for x
    x = 73,595,263,934.95/299,217.68
  6. Step 6: Final answer
    x = 245,958.94

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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.