Home / 132,789.60-199,221.30-57,916.26

Finding the Fourth Proportional to 132,789.60, 199,221.30 and 57,916.26

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Solution

The fourth proportional to 132,789.60, 199,221.30 and 57,916.26 is: 86,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,789.60 : 199,221.30 = 57,916.26 : x
  2. Step 2: Convert to fraction form
    132,789.60/199,221.30 = 57,916.26/x
  3. Step 3: Cross multiply
    132,789.60x = 199,221.30 × 57,916.26
  4. Step 4: Simplify right side
    132,789.60x = 11,538,152,608.34
  5. Step 5: Solve for x
    x = 11,538,152,608.34/132,789.60
  6. Step 6: Final answer
    x = 86,890.48

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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.