Home / 106,190.37-159,384.11-53,636.76

Finding the Fourth Proportional to 106,190.37, 159,384.11 and 53,636.76

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Solution

The fourth proportional to 106,190.37, 159,384.11 and 53,636.76 is: 80,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,190.37 : 159,384.11 = 53,636.76 : x
  2. Step 2: Convert to fraction form
    106,190.37/159,384.11 = 53,636.76/x
  3. Step 3: Cross multiply
    106,190.37x = 159,384.11 × 53,636.76
  4. Step 4: Simplify right side
    106,190.37x = 8,548,846,987.70
  5. Step 5: Solve for x
    x = 8,548,846,987.70/106,190.37
  6. Step 6: Final answer
    x = 80,504.92

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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.