Home / 161,026.20-241,539.30-76,826.70

Finding the Fourth Proportional to 161,026.20, 241,539.30 and 76,826.70

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Solution

The fourth proportional to 161,026.20, 241,539.30 and 76,826.70 is: 115,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,026.20 : 241,539.30 = 76,826.70 : x
  2. Step 2: Convert to fraction form
    161,026.20/241,539.30 = 76,826.70/x
  3. Step 3: Cross multiply
    161,026.20x = 241,539.30 × 76,826.70
  4. Step 4: Simplify right side
    161,026.20x = 18,556,667,339.31
  5. Step 5: Solve for x
    x = 18,556,667,339.31/161,026.20
  6. Step 6: Final answer
    x = 115,240.05

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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.