Home / 120,637.91-166,485.76-66,922.97

Finding the Fourth Proportional to 120,637.91, 166,485.76 and 66,922.97

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Solution

The fourth proportional to 120,637.91, 166,485.76 and 66,922.97 is: 92,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,637.91 : 166,485.76 = 66,922.97 : x
  2. Step 2: Convert to fraction form
    120,637.91/166,485.76 = 66,922.97/x
  3. Step 3: Cross multiply
    120,637.91x = 166,485.76 × 66,922.97
  4. Step 4: Simplify right side
    120,637.91x = 11,141,720,522.17
  5. Step 5: Solve for x
    x = 11,141,720,522.17/120,637.91
  6. Step 6: Final answer
    x = 92,356.71

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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.