Home / 191,413.19-287,097.90-51,182.75

Finding the Fourth Proportional to 191,413.19, 287,097.90 and 51,182.75

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Solution

The fourth proportional to 191,413.19, 287,097.90 and 51,182.75 is: 76,768.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,413.19 : 287,097.90 = 51,182.75 : x
  2. Step 2: Convert to fraction form
    191,413.19/287,097.90 = 51,182.75/x
  3. Step 3: Cross multiply
    191,413.19x = 287,097.90 × 51,182.75
  4. Step 4: Simplify right side
    191,413.19x = 14,694,460,041.23
  5. Step 5: Solve for x
    x = 14,694,460,041.23/191,413.19
  6. Step 6: Final answer
    x = 76,768.27

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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.