Home / 261,137.35-358,022.66-256,413.43

Finding the Fourth Proportional to 261,137.35, 358,022.66 and 256,413.43

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Solution

The fourth proportional to 261,137.35, 358,022.66 and 256,413.43 is: 351,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,137.35 : 358,022.66 = 256,413.43 : x
  2. Step 2: Convert to fraction form
    261,137.35/358,022.66 = 256,413.43/x
  3. Step 3: Cross multiply
    261,137.35x = 358,022.66 × 256,413.43
  4. Step 4: Simplify right side
    261,137.35x = 91,801,816,986.26
  5. Step 5: Solve for x
    x = 91,801,816,986.26/261,137.35
  6. Step 6: Final answer
    x = 351,546.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.