Home / 165,081.40-247,403.40-146,273.20

Finding the Fourth Proportional to 165,081.40, 247,403.40 and 146,273.20

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Solution

The fourth proportional to 165,081.40, 247,403.40 and 146,273.20 is: 219,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,081.40 : 247,403.40 = 146,273.20 : x
  2. Step 2: Convert to fraction form
    165,081.40/247,403.40 = 146,273.20/x
  3. Step 3: Cross multiply
    165,081.40x = 247,403.40 × 146,273.20
  4. Step 4: Simplify right side
    165,081.40x = 36,188,487,008.88
  5. Step 5: Solve for x
    x = 36,188,487,008.88/165,081.40
  6. Step 6: Final answer
    x = 219,216.02

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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.