Home / 152,039.09-209,847.26-88,413.59

Finding the Fourth Proportional to 152,039.09, 209,847.26 and 88,413.59

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Solution

The fourth proportional to 152,039.09, 209,847.26 and 88,413.59 is: 122,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,039.09 : 209,847.26 = 88,413.59 : x
  2. Step 2: Convert to fraction form
    152,039.09/209,847.26 = 88,413.59/x
  3. Step 3: Cross multiply
    152,039.09x = 209,847.26 × 88,413.59
  4. Step 4: Simplify right side
    152,039.09x = 18,553,349,166.20
  5. Step 5: Solve for x
    x = 18,553,349,166.20/152,039.09
  6. Step 6: Final answer
    x = 122,030.13

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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.