Home / 120,933.27-166,884.71-67,220.55

Finding the Fourth Proportional to 120,933.27, 166,884.71 and 67,220.55

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Solution

The fourth proportional to 120,933.27, 166,884.71 and 67,220.55 is: 92,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,933.27 : 166,884.71 = 67,220.55 : x
  2. Step 2: Convert to fraction form
    120,933.27/166,884.71 = 67,220.55/x
  3. Step 3: Cross multiply
    120,933.27x = 166,884.71 × 67,220.55
  4. Step 4: Simplify right side
    120,933.27x = 11,218,081,656.69
  5. Step 5: Solve for x
    x = 11,218,081,656.69/120,933.27
  6. Step 6: Final answer
    x = 92,762.58

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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.