Home / 120,834.46-166,744.38-67,118.14

Finding the Fourth Proportional to 120,834.46, 166,744.38 and 67,118.14

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Solution

The fourth proportional to 120,834.46, 166,744.38 and 67,118.14 is: 92,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.46 : 166,744.38 = 67,118.14 : x
  2. Step 2: Convert to fraction form
    120,834.46/166,744.38 = 67,118.14/x
  3. Step 3: Cross multiply
    120,834.46x = 166,744.38 × 67,118.14
  4. Step 4: Simplify right side
    120,834.46x = 11,191,572,641.05
  5. Step 5: Solve for x
    x = 11,191,572,641.05/120,834.46
  6. Step 6: Final answer
    x = 92,619.05

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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.