Home / 106,366.05-146,870.73-72,445.68

Finding the Fourth Proportional to 106,366.05, 146,870.73 and 72,445.68

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Solution

The fourth proportional to 106,366.05, 146,870.73 and 72,445.68 is: 100,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,366.05 : 146,870.73 = 72,445.68 : x
  2. Step 2: Convert to fraction form
    106,366.05/146,870.73 = 72,445.68/x
  3. Step 3: Cross multiply
    106,366.05x = 146,870.73 × 72,445.68
  4. Step 4: Simplify right side
    106,366.05x = 10,640,149,906.95
  5. Step 5: Solve for x
    x = 10,640,149,906.95/106,366.05
  6. Step 6: Final answer
    x = 100,033.33

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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.