Home / 139,548.02-192,584.67-82,225.55

Finding the Fourth Proportional to 139,548.02, 192,584.67 and 82,225.55

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Solution

The fourth proportional to 139,548.02, 192,584.67 and 82,225.55 is: 113,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,548.02 : 192,584.67 = 82,225.55 : x
  2. Step 2: Convert to fraction form
    139,548.02/192,584.67 = 82,225.55/x
  3. Step 3: Cross multiply
    139,548.02x = 192,584.67 × 82,225.55
  4. Step 4: Simplify right side
    139,548.02x = 15,835,379,964.66
  5. Step 5: Solve for x
    x = 15,835,379,964.66/139,548.02
  6. Step 6: Final answer
    x = 113,476.21

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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.