Home / 106,402.17-159,626.34-53,122.80

Finding the Fourth Proportional to 106,402.17, 159,626.34 and 53,122.80

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Solution

The fourth proportional to 106,402.17, 159,626.34 and 53,122.80 is: 79,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,402.17 : 159,626.34 = 53,122.80 : x
  2. Step 2: Convert to fraction form
    106,402.17/159,626.34 = 53,122.80/x
  3. Step 3: Cross multiply
    106,402.17x = 159,626.34 × 53,122.80
  4. Step 4: Simplify right side
    106,402.17x = 8,479,798,134.55
  5. Step 5: Solve for x
    x = 8,479,798,134.55/106,402.17
  6. Step 6: Final answer
    x = 79,695.73

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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.