Home / 165,413.45-248,146.13-70,644.11

Finding the Fourth Proportional to 165,413.45, 248,146.13 and 70,644.11

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Solution

The fourth proportional to 165,413.45, 248,146.13 and 70,644.11 is: 105,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,413.45 : 248,146.13 = 70,644.11 : x
  2. Step 2: Convert to fraction form
    165,413.45/248,146.13 = 70,644.11/x
  3. Step 3: Cross multiply
    165,413.45x = 248,146.13 × 70,644.11
  4. Step 4: Simplify right side
    165,413.45x = 17,530,062,150.57
  5. Step 5: Solve for x
    x = 17,530,062,150.57/165,413.45
  6. Step 6: Final answer
    x = 105,977.25

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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.