Home / 111,220.65-166,840.08-32,334.78

Finding the Fourth Proportional to 111,220.65, 166,840.08 and 32,334.78

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Solution

The fourth proportional to 111,220.65, 166,840.08 and 32,334.78 is: 48,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,220.65 : 166,840.08 = 32,334.78 : x
  2. Step 2: Convert to fraction form
    111,220.65/166,840.08 = 32,334.78/x
  3. Step 3: Cross multiply
    111,220.65x = 166,840.08 × 32,334.78
  4. Step 4: Simplify right side
    111,220.65x = 5,394,737,281.98
  5. Step 5: Solve for x
    x = 5,394,737,281.98/111,220.65
  6. Step 6: Final answer
    x = 48,504.82

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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.