Home / 142,651.81-196,859.19-82,222.04

Finding the Fourth Proportional to 142,651.81, 196,859.19 and 82,222.04

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Solution

The fourth proportional to 142,651.81, 196,859.19 and 82,222.04 is: 113,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,651.81 : 196,859.19 = 82,222.04 : x
  2. Step 2: Convert to fraction form
    142,651.81/196,859.19 = 82,222.04/x
  3. Step 3: Cross multiply
    142,651.81x = 196,859.19 × 82,222.04
  4. Step 4: Simplify right side
    142,651.81x = 16,186,164,194.55
  5. Step 5: Solve for x
    x = 16,186,164,194.55/142,651.81
  6. Step 6: Final answer
    x = 113,466.24

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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.