Home / 260,413.11-390,173.22-174,863.61

Finding the Fourth Proportional to 260,413.11, 390,173.22 and 174,863.61

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Solution

The fourth proportional to 260,413.11, 390,173.22 and 174,863.61 is: 261,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,413.11 : 390,173.22 = 174,863.61 : x
  2. Step 2: Convert to fraction form
    260,413.11/390,173.22 = 174,863.61/x
  3. Step 3: Cross multiply
    260,413.11x = 390,173.22 × 174,863.61
  4. Step 4: Simplify right side
    260,413.11x = 68,227,097,774.52
  5. Step 5: Solve for x
    x = 68,227,097,774.52/260,413.11
  6. Step 6: Final answer
    x = 261,995.63

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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.