Home / 106,684.38-147,113.96-91,626.84

Finding the Fourth Proportional to 106,684.38, 147,113.96 and 91,626.84

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Solution

The fourth proportional to 106,684.38, 147,113.96 and 91,626.84 is: 126,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,684.38 : 147,113.96 = 91,626.84 : x
  2. Step 2: Convert to fraction form
    106,684.38/147,113.96 = 91,626.84/x
  3. Step 3: Cross multiply
    106,684.38x = 147,113.96 × 91,626.84
  4. Step 4: Simplify right side
    106,684.38x = 13,479,586,816.55
  5. Step 5: Solve for x
    x = 13,479,586,816.55/106,684.38
  6. Step 6: Final answer
    x = 126,350.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.