Home / 283,678.20-391,497.30-162,858.60

Finding the Fourth Proportional to 283,678.20, 391,497.30 and 162,858.60

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Solution

The fourth proportional to 283,678.20, 391,497.30 and 162,858.60 is: 224,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,678.20 : 391,497.30 = 162,858.60 : x
  2. Step 2: Convert to fraction form
    283,678.20/391,497.30 = 162,858.60/x
  3. Step 3: Cross multiply
    283,678.20x = 391,497.30 × 162,858.60
  4. Step 4: Simplify right side
    283,678.20x = 63,758,702,181.78
  5. Step 5: Solve for x
    x = 63,758,702,181.78/283,678.20
  6. Step 6: Final answer
    x = 224,757.14

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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.