Home / 120,909.48-166,851.06-67,192.44

Finding the Fourth Proportional to 120,909.48, 166,851.06 and 67,192.44

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Solution

The fourth proportional to 120,909.48, 166,851.06 and 67,192.44 is: 92,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,909.48 : 166,851.06 = 67,192.44 : x
  2. Step 2: Convert to fraction form
    120,909.48/166,851.06 = 67,192.44/x
  3. Step 3: Cross multiply
    120,909.48x = 166,851.06 × 67,192.44
  4. Step 4: Simplify right side
    120,909.48x = 11,211,129,837.99
  5. Step 5: Solve for x
    x = 11,211,129,837.99/120,909.48
  6. Step 6: Final answer
    x = 92,723.33

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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.