Home / 106,519.01-147,049.49-66,245.74

Finding the Fourth Proportional to 106,519.01, 147,049.49 and 66,245.74

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Solution

The fourth proportional to 106,519.01, 147,049.49 and 66,245.74 is: 91,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,519.01 : 147,049.49 = 66,245.74 : x
  2. Step 2: Convert to fraction form
    106,519.01/147,049.49 = 66,245.74/x
  3. Step 3: Cross multiply
    106,519.01x = 147,049.49 × 66,245.74
  4. Step 4: Simplify right side
    106,519.01x = 9,741,402,382.68
  5. Step 5: Solve for x
    x = 9,741,402,382.68/106,519.01
  6. Step 6: Final answer
    x = 91,452.25

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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.