Home / 152,827.20-229,413.60-117,921.60

Finding the Fourth Proportional to 152,827.20, 229,413.60 and 117,921.60

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Solution

The fourth proportional to 152,827.20, 229,413.60 and 117,921.60 is: 177,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,827.20 : 229,413.60 = 117,921.60 : x
  2. Step 2: Convert to fraction form
    152,827.20/229,413.60 = 117,921.60/x
  3. Step 3: Cross multiply
    152,827.20x = 229,413.60 × 117,921.60
  4. Step 4: Simplify right side
    152,827.20x = 27,052,818,773.76
  5. Step 5: Solve for x
    x = 27,052,818,773.76/152,827.20
  6. Step 6: Final answer
    x = 177,015.73

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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.