Home / 120,511.46-166,301.22-66,795.14

Finding the Fourth Proportional to 120,511.46, 166,301.22 and 66,795.14

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Solution

The fourth proportional to 120,511.46, 166,301.22 and 66,795.14 is: 92,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,511.46 : 166,301.22 = 66,795.14 : x
  2. Step 2: Convert to fraction form
    120,511.46/166,301.22 = 66,795.14/x
  3. Step 3: Cross multiply
    120,511.46x = 166,301.22 × 66,795.14
  4. Step 4: Simplify right side
    120,511.46x = 11,108,113,272.07
  5. Step 5: Solve for x
    x = 11,108,113,272.07/120,511.46
  6. Step 6: Final answer
    x = 92,174.75

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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.