Home / 120,795.12-166,699.46-66,346.92

Finding the Fourth Proportional to 120,795.12, 166,699.46 and 66,346.92

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Solution

The fourth proportional to 120,795.12, 166,699.46 and 66,346.92 is: 91,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,795.12 : 166,699.46 = 66,346.92 : x
  2. Step 2: Convert to fraction form
    120,795.12/166,699.46 = 66,346.92/x
  3. Step 3: Cross multiply
    120,795.12x = 166,699.46 × 66,346.92
  4. Step 4: Simplify right side
    120,795.12x = 11,059,995,736.66
  5. Step 5: Solve for x
    x = 11,059,995,736.66/120,795.12
  6. Step 6: Final answer
    x = 91,559.95

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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.