Home / 132,669.96-198,879.82-66,047.08

Finding the Fourth Proportional to 132,669.96, 198,879.82 and 66,047.08

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Solution

The fourth proportional to 132,669.96, 198,879.82 and 66,047.08 is: 99,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,669.96 : 198,879.82 = 66,047.08 : x
  2. Step 2: Convert to fraction form
    132,669.96/198,879.82 = 66,047.08/x
  3. Step 3: Cross multiply
    132,669.96x = 198,879.82 × 66,047.08
  4. Step 4: Simplify right side
    132,669.96x = 13,135,431,381.93
  5. Step 5: Solve for x
    x = 13,135,431,381.93/132,669.96
  6. Step 6: Final answer
    x = 99,008.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.