Home / 217,413.17-326,116.70-75,361.85

Finding the Fourth Proportional to 217,413.17, 326,116.70 and 75,361.85

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Solution

The fourth proportional to 217,413.17, 326,116.70 and 75,361.85 is: 113,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,413.17 : 326,116.70 = 75,361.85 : x
  2. Step 2: Convert to fraction form
    217,413.17/326,116.70 = 75,361.85/x
  3. Step 3: Cross multiply
    217,413.17x = 326,116.70 × 75,361.85
  4. Step 4: Simplify right side
    217,413.17x = 24,576,755,820.50
  5. Step 5: Solve for x
    x = 24,576,755,820.50/217,413.17
  6. Step 6: Final answer
    x = 113,041.71

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1.5x scale

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.