Home / 233,153.34-321,728.79-131,176.67

Finding the Fourth Proportional to 233,153.34, 321,728.79 and 131,176.67

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Solution

The fourth proportional to 233,153.34, 321,728.79 and 131,176.67 is: 181,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,153.34 : 321,728.79 = 131,176.67 : x
  2. Step 2: Convert to fraction form
    233,153.34/321,728.79 = 131,176.67/x
  3. Step 3: Cross multiply
    233,153.34x = 321,728.79 × 131,176.67
  4. Step 4: Simplify right side
    233,153.34x = 42,203,310,198.60
  5. Step 5: Solve for x
    x = 42,203,310,198.60/233,153.34
  6. Step 6: Final answer
    x = 181,010.96

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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.