Home / 120,601.41-166,435.50-66,883.22

Finding the Fourth Proportional to 120,601.41, 166,435.50 and 66,883.22

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Solution

The fourth proportional to 120,601.41, 166,435.50 and 66,883.22 is: 92,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,601.41 : 166,435.50 = 66,883.22 : x
  2. Step 2: Convert to fraction form
    120,601.41/166,435.50 = 66,883.22/x
  3. Step 3: Cross multiply
    120,601.41x = 166,435.50 × 66,883.22
  4. Step 4: Simplify right side
    120,601.41x = 11,131,742,162.31
  5. Step 5: Solve for x
    x = 11,131,742,162.31/120,601.41
  6. Step 6: Final answer
    x = 92,301.92

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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.