Home / 152,039.03-209,847.17-88,413.53

Finding the Fourth Proportional to 152,039.03, 209,847.17 and 88,413.53

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Solution

The fourth proportional to 152,039.03, 209,847.17 and 88,413.53 is: 122,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,039.03 : 209,847.17 = 88,413.53 : x
  2. Step 2: Convert to fraction form
    152,039.03/209,847.17 = 88,413.53/x
  3. Step 3: Cross multiply
    152,039.03x = 209,847.17 × 88,413.53
  4. Step 4: Simplify right side
    152,039.03x = 18,553,328,687.38
  5. Step 5: Solve for x
    x = 18,553,328,687.38/152,039.03
  6. Step 6: Final answer
    x = 122,030.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.