Home / 165,916.30-248,910.90-53,577.40

Finding the Fourth Proportional to 165,916.30, 248,910.90 and 53,577.40

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Solution

The fourth proportional to 165,916.30, 248,910.90 and 53,577.40 is: 80,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,916.30 : 248,910.90 = 53,577.40 : x
  2. Step 2: Convert to fraction form
    165,916.30/248,910.90 = 53,577.40/x
  3. Step 3: Cross multiply
    165,916.30x = 248,910.90 × 53,577.40
  4. Step 4: Simplify right side
    165,916.30x = 13,335,998,853.66
  5. Step 5: Solve for x
    x = 13,335,998,853.66/165,916.30
  6. Step 6: Final answer
    x = 80,377.87

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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.