Home / 120,834.58-166,749.15-67,118.62

Finding the Fourth Proportional to 120,834.58, 166,749.15 and 67,118.62

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Solution

The fourth proportional to 120,834.58, 166,749.15 and 67,118.62 is: 92,622.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.58 : 166,749.15 = 67,118.62 : x
  2. Step 2: Convert to fraction form
    120,834.58/166,749.15 = 67,118.62/x
  3. Step 3: Cross multiply
    120,834.58x = 166,749.15 × 67,118.62
  4. Step 4: Simplify right side
    120,834.58x = 11,191,972,834.17
  5. Step 5: Solve for x
    x = 11,191,972,834.17/120,834.58
  6. Step 6: Final answer
    x = 92,622.27

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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.