Home / 165,345.83-247,992.19-45,374.76

Finding the Fourth Proportional to 165,345.83, 247,992.19 and 45,374.76

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Solution

The fourth proportional to 165,345.83, 247,992.19 and 45,374.76 is: 68,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,345.83 : 247,992.19 = 45,374.76 : x
  2. Step 2: Convert to fraction form
    165,345.83/247,992.19 = 45,374.76/x
  3. Step 3: Cross multiply
    165,345.83x = 247,992.19 × 45,374.76
  4. Step 4: Simplify right side
    165,345.83x = 11,252,586,103.12
  5. Step 5: Solve for x
    x = 11,252,586,103.12/165,345.83
  6. Step 6: Final answer
    x = 68,054.85

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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.