Home / 165,142.56-247,718.52-40,483.44

Finding the Fourth Proportional to 165,142.56, 247,718.52 and 40,483.44

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Solution

The fourth proportional to 165,142.56, 247,718.52 and 40,483.44 is: 60,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,142.56 : 247,718.52 = 40,483.44 : x
  2. Step 2: Convert to fraction form
    165,142.56/247,718.52 = 40,483.44/x
  3. Step 3: Cross multiply
    165,142.56x = 247,718.52 × 40,483.44
  4. Step 4: Simplify right side
    165,142.56x = 10,028,497,841.31
  5. Step 5: Solve for x
    x = 10,028,497,841.31/165,142.56
  6. Step 6: Final answer
    x = 60,726.31

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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.