Home / 106,738.55-160,134.09-75,210.18

Finding the Fourth Proportional to 106,738.55, 160,134.09 and 75,210.18

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Solution

The fourth proportional to 106,738.55, 160,134.09 and 75,210.18 is: 112,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,738.55 : 160,134.09 = 75,210.18 : x
  2. Step 2: Convert to fraction form
    106,738.55/160,134.09 = 75,210.18/x
  3. Step 3: Cross multiply
    106,738.55x = 160,134.09 × 75,210.18
  4. Step 4: Simplify right side
    106,738.55x = 12,043,713,733.04
  5. Step 5: Solve for x
    x = 12,043,713,733.04/106,738.55
  6. Step 6: Final answer
    x = 112,833.78

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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.