Home / 132,301.96-198,486.35-57,403.89

Finding the Fourth Proportional to 132,301.96, 198,486.35 and 57,403.89

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Solution

The fourth proportional to 132,301.96, 198,486.35 and 57,403.89 is: 86,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,301.96 : 198,486.35 = 57,403.89 : x
  2. Step 2: Convert to fraction form
    132,301.96/198,486.35 = 57,403.89/x
  3. Step 3: Cross multiply
    132,301.96x = 198,486.35 × 57,403.89
  4. Step 4: Simplify right side
    132,301.96x = 11,393,888,530.15
  5. Step 5: Solve for x
    x = 11,393,888,530.15/132,301.96
  6. Step 6: Final answer
    x = 86,120.33

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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.