Home / 116,296.68-160,506.78-71,000.92

Finding the Fourth Proportional to 116,296.68, 160,506.78 and 71,000.92

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Solution

The fourth proportional to 116,296.68, 160,506.78 and 71,000.92 is: 97,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,296.68 : 160,506.78 = 71,000.92 : x
  2. Step 2: Convert to fraction form
    116,296.68/160,506.78 = 71,000.92/x
  3. Step 3: Cross multiply
    116,296.68x = 160,506.78 × 71,000.92
  4. Step 4: Simplify right side
    116,296.68x = 11,396,129,046.24
  5. Step 5: Solve for x
    x = 11,396,129,046.24/116,296.68
  6. Step 6: Final answer
    x = 97,991.87

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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.