Home / 258,847.25-387,943.73-116,540.98

Finding the Fourth Proportional to 258,847.25, 387,943.73 and 116,540.98

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Solution

The fourth proportional to 258,847.25, 387,943.73 and 116,540.98 is: 174,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,847.25 : 387,943.73 = 116,540.98 : x
  2. Step 2: Convert to fraction form
    258,847.25/387,943.73 = 116,540.98/x
  3. Step 3: Cross multiply
    258,847.25x = 387,943.73 × 116,540.98
  4. Step 4: Simplify right side
    258,847.25x = 45,211,341,363.52
  5. Step 5: Solve for x
    x = 45,211,341,363.52/258,847.25
  6. Step 6: Final answer
    x = 174,664.18

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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.