Home / 233,015.46-321,558.28-131,040.90

Finding the Fourth Proportional to 233,015.46, 321,558.28 and 131,040.90

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Solution

The fourth proportional to 233,015.46, 321,558.28 and 131,040.90 is: 180,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,015.46 : 321,558.28 = 131,040.90 : x
  2. Step 2: Convert to fraction form
    233,015.46/321,558.28 = 131,040.90/x
  3. Step 3: Cross multiply
    233,015.46x = 321,558.28 × 131,040.90
  4. Step 4: Simplify right side
    233,015.46x = 42,137,286,413.65
  5. Step 5: Solve for x
    x = 42,137,286,413.65/233,015.46
  6. Step 6: Final answer
    x = 180,834.72

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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.