Home / 165,742.03-248,612.64-47,413.18

Finding the Fourth Proportional to 165,742.03, 248,612.64 and 47,413.18

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Solution

The fourth proportional to 165,742.03, 248,612.64 and 47,413.18 is: 71,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.03 : 248,612.64 = 47,413.18 : x
  2. Step 2: Convert to fraction form
    165,742.03/248,612.64 = 47,413.18/x
  3. Step 3: Cross multiply
    165,742.03x = 248,612.64 × 47,413.18
  4. Step 4: Simplify right side
    165,742.03x = 11,787,515,850.60
  5. Step 5: Solve for x
    x = 11,787,515,850.60/165,742.03
  6. Step 6: Final answer
    x = 71,119.65

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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.