Home / 286,825.05-395,358.57-194,917.59

Finding the Fourth Proportional to 286,825.05, 395,358.57 and 194,917.59

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Solution

The fourth proportional to 286,825.05, 395,358.57 and 194,917.59 is: 268,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,825.05 : 395,358.57 = 194,917.59 : x
  2. Step 2: Convert to fraction form
    286,825.05/395,358.57 = 194,917.59/x
  3. Step 3: Cross multiply
    286,825.05x = 395,358.57 × 194,917.59
  4. Step 4: Simplify right side
    286,825.05x = 77,062,339,650.25
  5. Step 5: Solve for x
    x = 77,062,339,650.25/286,825.05
  6. Step 6: Final answer
    x = 268,673.67

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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.