Home / 352,180.23-485,979.12-199,210.52

Finding the Fourth Proportional to 352,180.23, 485,979.12 and 199,210.52

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Solution

The fourth proportional to 352,180.23, 485,979.12 and 199,210.52 is: 274,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,180.23 : 485,979.12 = 199,210.52 : x
  2. Step 2: Convert to fraction form
    352,180.23/485,979.12 = 199,210.52/x
  3. Step 3: Cross multiply
    352,180.23x = 485,979.12 × 199,210.52
  4. Step 4: Simplify right side
    352,180.23x = 96,812,150,774.45
  5. Step 5: Solve for x
    x = 96,812,150,774.45/352,180.23
  6. Step 6: Final answer
    x = 274,893.77

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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.