Home / 352,001.28-485,758.78-199,069.50

Finding the Fourth Proportional to 352,001.28, 485,758.78 and 199,069.50

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Solution

The fourth proportional to 352,001.28, 485,758.78 and 199,069.50 is: 274,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.28 : 485,758.78 = 199,069.50 : x
  2. Step 2: Convert to fraction form
    352,001.28/485,758.78 = 199,069.50/x
  3. Step 3: Cross multiply
    352,001.28x = 485,758.78 × 199,069.50
  4. Step 4: Simplify right side
    352,001.28x = 96,699,757,455.21
  5. Step 5: Solve for x
    x = 96,699,757,455.21/352,001.28
  6. Step 6: Final answer
    x = 274,714.22

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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.