Home / 120,342.26-166,115.94-70,041.26

Finding the Fourth Proportional to 120,342.26, 166,115.94 and 70,041.26

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Solution

The fourth proportional to 120,342.26, 166,115.94 and 70,041.26 is: 96,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,342.26 : 166,115.94 = 70,041.26 : x
  2. Step 2: Convert to fraction form
    120,342.26/166,115.94 = 70,041.26/x
  3. Step 3: Cross multiply
    120,342.26x = 166,115.94 × 70,041.26
  4. Step 4: Simplify right side
    120,342.26x = 11,634,969,743.68
  5. Step 5: Solve for x
    x = 11,634,969,743.68/120,342.26
  6. Step 6: Final answer
    x = 96,682.33

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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.