Home / 120,811.14-166,714.80-67,099.62

Finding the Fourth Proportional to 120,811.14, 166,714.80 and 67,099.62

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Solution

The fourth proportional to 120,811.14, 166,714.80 and 67,099.62 is: 92,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,811.14 : 166,714.80 = 67,099.62 : x
  2. Step 2: Convert to fraction form
    120,811.14/166,714.80 = 67,099.62/x
  3. Step 3: Cross multiply
    120,811.14x = 166,714.80 × 67,099.62
  4. Step 4: Simplify right side
    120,811.14x = 11,186,499,728.38
  5. Step 5: Solve for x
    x = 11,186,499,728.38/120,811.14
  6. Step 6: Final answer
    x = 92,594.94

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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.