Home / 140,906.13-211,362.39-84,793.18

Finding the Fourth Proportional to 140,906.13, 211,362.39 and 84,793.18

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Solution

The fourth proportional to 140,906.13, 211,362.39 and 84,793.18 is: 127,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,906.13 : 211,362.39 = 84,793.18 : x
  2. Step 2: Convert to fraction form
    140,906.13/211,362.39 = 84,793.18/x
  3. Step 3: Cross multiply
    140,906.13x = 211,362.39 × 84,793.18
  4. Step 4: Simplify right side
    140,906.13x = 17,922,088,809.92
  5. Step 5: Solve for x
    x = 17,922,088,809.92/140,906.13
  6. Step 6: Final answer
    x = 127,191.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.