Home / 116,811.38-175,217.07-66,856.66

Finding the Fourth Proportional to 116,811.38, 175,217.07 and 66,856.66

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Solution

The fourth proportional to 116,811.38, 175,217.07 and 66,856.66 is: 100,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,811.38 : 175,217.07 = 66,856.66 : x
  2. Step 2: Convert to fraction form
    116,811.38/175,217.07 = 66,856.66/x
  3. Step 3: Cross multiply
    116,811.38x = 175,217.07 × 66,856.66
  4. Step 4: Simplify right side
    116,811.38x = 11,714,427,887.86
  5. Step 5: Solve for x
    x = 11,714,427,887.86/116,811.38
  6. Step 6: Final answer
    x = 100,284.99

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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.