Home / 120,887.34-166,812.06-67,166.42

Finding the Fourth Proportional to 120,887.34, 166,812.06 and 67,166.42

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Solution

The fourth proportional to 120,887.34, 166,812.06 and 67,166.42 is: 92,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,887.34 : 166,812.06 = 67,166.42 : x
  2. Step 2: Convert to fraction form
    120,887.34/166,812.06 = 67,166.42/x
  3. Step 3: Cross multiply
    120,887.34x = 166,812.06 × 67,166.42
  4. Step 4: Simplify right side
    120,887.34x = 11,204,167,923.03
  5. Step 5: Solve for x
    x = 11,204,167,923.03/120,887.34
  6. Step 6: Final answer
    x = 92,682.73

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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.