Home / 191,623.80-287,413.78-51,371.48

Finding the Fourth Proportional to 191,623.80, 287,413.78 and 51,371.48

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Solution

The fourth proportional to 191,623.80, 287,413.78 and 51,371.48 is: 77,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,623.80 : 287,413.78 = 51,371.48 : x
  2. Step 2: Convert to fraction form
    191,623.80/287,413.78 = 51,371.48/x
  3. Step 3: Cross multiply
    191,623.80x = 287,413.78 × 51,371.48
  4. Step 4: Simplify right side
    191,623.80x = 14,764,871,250.99
  5. Step 5: Solve for x
    x = 14,764,871,250.99/191,623.80
  6. Step 6: Final answer
    x = 77,051.34

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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.