Home / 116,200.28-174,069.30-91,122.68

Finding the Fourth Proportional to 116,200.28, 174,069.30 and 91,122.68

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Solution

The fourth proportional to 116,200.28, 174,069.30 and 91,122.68 is: 136,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,200.28 : 174,069.30 = 91,122.68 : x
  2. Step 2: Convert to fraction form
    116,200.28/174,069.30 = 91,122.68/x
  3. Step 3: Cross multiply
    116,200.28x = 174,069.30 × 91,122.68
  4. Step 4: Simplify right side
    116,200.28x = 15,861,661,121.72
  5. Step 5: Solve for x
    x = 15,861,661,121.72/116,200.28
  6. Step 6: Final answer
    x = 136,502.78

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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.