Home / 191,413.13-287,097.80-51,182.69

Finding the Fourth Proportional to 191,413.13, 287,097.80 and 51,182.69

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Solution

The fourth proportional to 191,413.13, 287,097.80 and 51,182.69 is: 76,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,413.13 : 287,097.80 = 51,182.69 : x
  2. Step 2: Convert to fraction form
    191,413.13/287,097.80 = 51,182.69/x
  3. Step 3: Cross multiply
    191,413.13x = 287,097.80 × 51,182.69
  4. Step 4: Simplify right side
    191,413.13x = 14,694,436,389.55
  5. Step 5: Solve for x
    x = 14,694,436,389.55/191,413.13
  6. Step 6: Final answer
    x = 76,768.18

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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.