Home / 195,730.91-270,092.16-108,518.34

Finding the Fourth Proportional to 195,730.91, 270,092.16 and 108,518.34

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Solution

The fourth proportional to 195,730.91, 270,092.16 and 108,518.34 is: 149,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,730.91 : 270,092.16 = 108,518.34 : x
  2. Step 2: Convert to fraction form
    195,730.91/270,092.16 = 108,518.34/x
  3. Step 3: Cross multiply
    195,730.91x = 270,092.16 × 108,518.34
  4. Step 4: Simplify right side
    195,730.91x = 29,309,952,850.21
  5. Step 5: Solve for x
    x = 29,309,952,850.21/195,730.91
  6. Step 6: Final answer
    x = 149,746.17

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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.