Home / 151,594.31-209,209.70-87,083.73

Finding the Fourth Proportional to 151,594.31, 209,209.70 and 87,083.73

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Solution

The fourth proportional to 151,594.31, 209,209.70 and 87,083.73 is: 120,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,594.31 : 209,209.70 = 87,083.73 : x
  2. Step 2: Convert to fraction form
    151,594.31/209,209.70 = 87,083.73/x
  3. Step 3: Cross multiply
    151,594.31x = 209,209.70 × 87,083.73
  4. Step 4: Simplify right side
    151,594.31x = 18,218,761,245.89
  5. Step 5: Solve for x
    x = 18,218,761,245.89/151,594.31
  6. Step 6: Final answer
    x = 120,181.03

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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.