Home / 131,107.20-196,661.88-37,615.92

Finding the Fourth Proportional to 131,107.20, 196,661.88 and 37,615.92

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Solution

The fourth proportional to 131,107.20, 196,661.88 and 37,615.92 is: 56,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,107.20 : 196,661.88 = 37,615.92 : x
  2. Step 2: Convert to fraction form
    131,107.20/196,661.88 = 37,615.92/x
  3. Step 3: Cross multiply
    131,107.20x = 196,661.88 × 37,615.92
  4. Step 4: Simplify right side
    131,107.20x = 7,397,617,545.13
  5. Step 5: Solve for x
    x = 7,397,617,545.13/131,107.20
  6. Step 6: Final answer
    x = 56,424.19

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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.