Home / 116,523.87-160,815.27-71,228.36

Finding the Fourth Proportional to 116,523.87, 160,815.27 and 71,228.36

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Solution

The fourth proportional to 116,523.87, 160,815.27 and 71,228.36 is: 98,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,523.87 : 160,815.27 = 71,228.36 : x
  2. Step 2: Convert to fraction form
    116,523.87/160,815.27 = 71,228.36/x
  3. Step 3: Cross multiply
    116,523.87x = 160,815.27 × 71,228.36
  4. Step 4: Simplify right side
    116,523.87x = 11,454,608,614.20
  5. Step 5: Solve for x
    x = 11,454,608,614.20/116,523.87
  6. Step 6: Final answer
    x = 98,302.68

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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.