Home / 130,930.16-196,399.49-36,167.45

Finding the Fourth Proportional to 130,930.16, 196,399.49 and 36,167.45

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Solution

The fourth proportional to 130,930.16, 196,399.49 and 36,167.45 is: 54,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,930.16 : 196,399.49 = 36,167.45 : x
  2. Step 2: Convert to fraction form
    130,930.16/196,399.49 = 36,167.45/x
  3. Step 3: Cross multiply
    130,930.16x = 196,399.49 × 36,167.45
  4. Step 4: Simplify right side
    130,930.16x = 7,103,267,571.77
  5. Step 5: Solve for x
    x = 7,103,267,571.77/130,930.16
  6. Step 6: Final answer
    x = 54,252.34

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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.