Home / 112,278.87-154,940.97-66,933.45

Finding the Fourth Proportional to 112,278.87, 154,940.97 and 66,933.45

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Solution

The fourth proportional to 112,278.87, 154,940.97 and 66,933.45 is: 92,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,278.87 : 154,940.97 = 66,933.45 : x
  2. Step 2: Convert to fraction form
    112,278.87/154,940.97 = 66,933.45/x
  3. Step 3: Cross multiply
    112,278.87x = 154,940.97 × 66,933.45
  4. Step 4: Simplify right side
    112,278.87x = 10,370,733,668.45
  5. Step 5: Solve for x
    x = 10,370,733,668.45/112,278.87
  6. Step 6: Final answer
    x = 92,365.85

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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.