Home / 130,782.38-196,175.39-37,288.13

Finding the Fourth Proportional to 130,782.38, 196,175.39 and 37,288.13

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Solution

The fourth proportional to 130,782.38, 196,175.39 and 37,288.13 is: 55,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,782.38 : 196,175.39 = 37,288.13 : x
  2. Step 2: Convert to fraction form
    130,782.38/196,175.39 = 37,288.13/x
  3. Step 3: Cross multiply
    130,782.38x = 196,175.39 × 37,288.13
  4. Step 4: Simplify right side
    130,782.38x = 7,315,012,277.80
  5. Step 5: Solve for x
    x = 7,315,012,277.80/130,782.38
  6. Step 6: Final answer
    x = 55,932.71

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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.