Home / 121,413.25-182,076.13-51,298.03

Finding the Fourth Proportional to 121,413.25, 182,076.13 and 51,298.03

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Solution

The fourth proportional to 121,413.25, 182,076.13 and 51,298.03 is: 76,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,413.25 : 182,076.13 = 51,298.03 : x
  2. Step 2: Convert to fraction form
    121,413.25/182,076.13 = 51,298.03/x
  3. Step 3: Cross multiply
    121,413.25x = 182,076.13 × 51,298.03
  4. Step 4: Simplify right side
    121,413.25x = 9,340,146,779.02
  5. Step 5: Solve for x
    x = 9,340,146,779.02/121,413.25
  6. Step 6: Final answer
    x = 76,928.56

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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.