Home / 131,118.20-196,678.38-37,626.92

Finding the Fourth Proportional to 131,118.20, 196,678.38 and 37,626.92

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Solution

The fourth proportional to 131,118.20, 196,678.38 and 37,626.92 is: 56,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,118.20 : 196,678.38 = 37,626.92 : x
  2. Step 2: Convert to fraction form
    131,118.20/196,678.38 = 37,626.92/x
  3. Step 3: Cross multiply
    131,118.20x = 196,678.38 × 37,626.92
  4. Step 4: Simplify right side
    131,118.20x = 7,400,401,669.99
  5. Step 5: Solve for x
    x = 7,400,401,669.99/131,118.20
  6. Step 6: Final answer
    x = 56,440.69

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1.5x scale

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.