Home / 120,554.93-166,366.61-66,843.43

Finding the Fourth Proportional to 120,554.93, 166,366.61 and 66,843.43

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Solution

The fourth proportional to 120,554.93, 166,366.61 and 66,843.43 is: 92,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,554.93 : 166,366.61 = 66,843.43 : x
  2. Step 2: Convert to fraction form
    120,554.93/166,366.61 = 66,843.43/x
  3. Step 3: Cross multiply
    120,554.93x = 166,366.61 × 66,843.43
  4. Step 4: Simplify right side
    120,554.93x = 11,120,514,350.40
  5. Step 5: Solve for x
    x = 11,120,514,350.40/120,554.93
  6. Step 6: Final answer
    x = 92,244.37

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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.