Home / 165,019.41-247,582.43-76,331.10

Finding the Fourth Proportional to 165,019.41, 247,582.43 and 76,331.10

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Solution

The fourth proportional to 165,019.41, 247,582.43 and 76,331.10 is: 114,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,019.41 : 247,582.43 = 76,331.10 : x
  2. Step 2: Convert to fraction form
    165,019.41/247,582.43 = 76,331.10/x
  3. Step 3: Cross multiply
    165,019.41x = 247,582.43 × 76,331.10
  4. Step 4: Simplify right side
    165,019.41x = 18,898,238,198.73
  5. Step 5: Solve for x
    x = 18,898,238,198.73/165,019.41
  6. Step 6: Final answer
    x = 114,521.30

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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.