Home / 283,627.23-391,413.78-156,311.03

Finding the Fourth Proportional to 283,627.23, 391,413.78 and 156,311.03

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Solution

The fourth proportional to 283,627.23, 391,413.78 and 156,311.03 is: 215,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,627.23 : 391,413.78 = 156,311.03 : x
  2. Step 2: Convert to fraction form
    283,627.23/391,413.78 = 156,311.03/x
  3. Step 3: Cross multiply
    283,627.23x = 391,413.78 × 156,311.03
  4. Step 4: Simplify right side
    283,627.23x = 61,182,289,150.92
  5. Step 5: Solve for x
    x = 61,182,289,150.92/283,627.23
  6. Step 6: Final answer
    x = 215,713.74

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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.