Home / 120,940.14-166,887.06-67,207.98

Finding the Fourth Proportional to 120,940.14, 166,887.06 and 67,207.98

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Solution

The fourth proportional to 120,940.14, 166,887.06 and 67,207.98 is: 92,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,940.14 : 166,887.06 = 67,207.98 : x
  2. Step 2: Convert to fraction form
    120,940.14/166,887.06 = 67,207.98/x
  3. Step 3: Cross multiply
    120,940.14x = 166,887.06 × 67,207.98
  4. Step 4: Simplify right side
    120,940.14x = 11,216,142,190.74
  5. Step 5: Solve for x
    x = 11,216,142,190.74/120,940.14
  6. Step 6: Final answer
    x = 92,741.27

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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.