Home / 131,313.52-196,953.78-36,550.80

Finding the Fourth Proportional to 131,313.52, 196,953.78 and 36,550.80

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Solution

The fourth proportional to 131,313.52, 196,953.78 and 36,550.80 is: 54,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,313.52 : 196,953.78 = 36,550.80 : x
  2. Step 2: Convert to fraction form
    131,313.52/196,953.78 = 36,550.80/x
  3. Step 3: Cross multiply
    131,313.52x = 196,953.78 × 36,550.80
  4. Step 4: Simplify right side
    131,313.52x = 7,198,818,222.02
  5. Step 5: Solve for x
    x = 7,198,818,222.02/131,313.52
  6. Step 6: Final answer
    x = 54,821.61

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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.