Home / 130,935.30-196,399.05-36,171.19

Finding the Fourth Proportional to 130,935.30, 196,399.05 and 36,171.19

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Solution

The fourth proportional to 130,935.30, 196,399.05 and 36,171.19 is: 54,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,935.30 : 196,399.05 = 36,171.19 : x
  2. Step 2: Convert to fraction form
    130,935.30/196,399.05 = 36,171.19/x
  3. Step 3: Cross multiply
    130,935.30x = 196,399.05 × 36,171.19
  4. Step 4: Simplify right side
    130,935.30x = 7,103,986,862.37
  5. Step 5: Solve for x
    x = 7,103,986,862.37/130,935.30
  6. Step 6: Final answer
    x = 54,255.70

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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.