Home / 120,707.18-166,568.15-66,992.23

Finding the Fourth Proportional to 120,707.18, 166,568.15 and 66,992.23

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Solution

The fourth proportional to 120,707.18, 166,568.15 and 66,992.23 is: 92,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,707.18 : 166,568.15 = 66,992.23 : x
  2. Step 2: Convert to fraction form
    120,707.18/166,568.15 = 66,992.23/x
  3. Step 3: Cross multiply
    120,707.18x = 166,568.15 × 66,992.23
  4. Step 4: Simplify right side
    120,707.18x = 11,158,771,814.33
  5. Step 5: Solve for x
    x = 11,158,771,814.33/120,707.18
  6. Step 6: Final answer
    x = 92,444.97

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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.