Home / 191,413.64-287,098.57-51,183.20

Finding the Fourth Proportional to 191,413.64, 287,098.57 and 51,183.20

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Solution

The fourth proportional to 191,413.64, 287,098.57 and 51,183.20 is: 76,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,413.64 : 287,098.57 = 51,183.20 : x
  2. Step 2: Convert to fraction form
    191,413.64/287,098.57 = 51,183.20/x
  3. Step 3: Cross multiply
    191,413.64x = 287,098.57 × 51,183.20
  4. Step 4: Simplify right side
    191,413.64x = 14,694,623,528.02
  5. Step 5: Solve for x
    x = 14,694,623,528.02/191,413.64
  6. Step 6: Final answer
    x = 76,768.95

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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.