Home / 136,856.13-188,944.83-93,906.18

Finding the Fourth Proportional to 136,856.13, 188,944.83 and 93,906.18

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Solution

The fourth proportional to 136,856.13, 188,944.83 and 93,906.18 is: 129,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,856.13 : 188,944.83 = 93,906.18 : x
  2. Step 2: Convert to fraction form
    136,856.13/188,944.83 = 93,906.18/x
  3. Step 3: Cross multiply
    136,856.13x = 188,944.83 × 93,906.18
  4. Step 4: Simplify right side
    136,856.13x = 17,743,087,216.05
  5. Step 5: Solve for x
    x = 17,743,087,216.05/136,856.13
  6. Step 6: Final answer
    x = 129,647.73

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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.