Home / 106,033.08-146,171.22-74,102.76

Finding the Fourth Proportional to 106,033.08, 146,171.22 and 74,102.76

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Solution

The fourth proportional to 106,033.08, 146,171.22 and 74,102.76 is: 102,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,033.08 : 146,171.22 = 74,102.76 : x
  2. Step 2: Convert to fraction form
    106,033.08/146,171.22 = 74,102.76/x
  3. Step 3: Cross multiply
    106,033.08x = 146,171.22 × 74,102.76
  4. Step 4: Simplify right side
    106,033.08x = 10,831,690,834.57
  5. Step 5: Solve for x
    x = 10,831,690,834.57/106,033.08
  6. Step 6: Final answer
    x = 102,153.88

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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.