Home / 106,292.20-159,143.04-53,541.76

Finding the Fourth Proportional to 106,292.20, 159,143.04 and 53,541.76

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Solution

The fourth proportional to 106,292.20, 159,143.04 and 53,541.76 is: 80,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,292.20 : 159,143.04 = 53,541.76 : x
  2. Step 2: Convert to fraction form
    106,292.20/159,143.04 = 53,541.76/x
  3. Step 3: Cross multiply
    106,292.20x = 159,143.04 × 53,541.76
  4. Step 4: Simplify right side
    106,292.20x = 8,520,798,453.35
  5. Step 5: Solve for x
    x = 8,520,798,453.35/106,292.20
  6. Step 6: Final answer
    x = 80,163.91

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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.