Home / 283,626.73-391,413.09-156,310.53

Finding the Fourth Proportional to 283,626.73, 391,413.09 and 156,310.53

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Solution

The fourth proportional to 283,626.73, 391,413.09 and 156,310.53 is: 215,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,626.73 : 391,413.09 = 156,310.53 : x
  2. Step 2: Convert to fraction form
    283,626.73/391,413.09 = 156,310.53/x
  3. Step 3: Cross multiply
    283,626.73x = 391,413.09 × 156,310.53
  4. Step 4: Simplify right side
    283,626.73x = 61,181,987,546.84
  5. Step 5: Solve for x
    x = 61,181,987,546.84/283,626.73
  6. Step 6: Final answer
    x = 215,713.05

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1.5x scale

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.