Home / 106,624.38-159,969.42-76,706.22

Finding the Fourth Proportional to 106,624.38, 159,969.42 and 76,706.22

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Solution

The fourth proportional to 106,624.38, 159,969.42 and 76,706.22 is: 115,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,624.38 : 159,969.42 = 76,706.22 : x
  2. Step 2: Convert to fraction form
    106,624.38/159,969.42 = 76,706.22/x
  3. Step 3: Cross multiply
    106,624.38x = 159,969.42 × 76,706.22
  4. Step 4: Simplify right side
    106,624.38x = 12,270,649,523.79
  5. Step 5: Solve for x
    x = 12,270,649,523.79/106,624.38
  6. Step 6: Final answer
    x = 115,082.96

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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.