Home / 169,413.20-254,143.24-57,125.56

Finding the Fourth Proportional to 169,413.20, 254,143.24 and 57,125.56

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Solution

The fourth proportional to 169,413.20, 254,143.24 and 57,125.56 is: 85,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,413.20 : 254,143.24 = 57,125.56 : x
  2. Step 2: Convert to fraction form
    169,413.20/254,143.24 = 57,125.56/x
  3. Step 3: Cross multiply
    169,413.20x = 254,143.24 × 57,125.56
  4. Step 4: Simplify right side
    169,413.20x = 14,518,074,905.21
  5. Step 5: Solve for x
    x = 14,518,074,905.21/169,413.20
  6. Step 6: Final answer
    x = 85,696.24

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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.