Home / 120,526.71-166,309.38-66,811.71

Finding the Fourth Proportional to 120,526.71, 166,309.38 and 66,811.71

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Solution

The fourth proportional to 120,526.71, 166,309.38 and 66,811.71 is: 92,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526.71 : 166,309.38 = 66,811.71 : x
  2. Step 2: Convert to fraction form
    120,526.71/166,309.38 = 66,811.71/x
  3. Step 3: Cross multiply
    120,526.71x = 166,309.38 × 66,811.71
  4. Step 4: Simplify right side
    120,526.71x = 11,111,414,066.84
  5. Step 5: Solve for x
    x = 11,111,414,066.84/120,526.71
  6. Step 6: Final answer
    x = 92,190.47

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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.