Home / 142,652.31-196,859.88-82,222.54

Finding the Fourth Proportional to 142,652.31, 196,859.88 and 82,222.54

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Solution

The fourth proportional to 142,652.31, 196,859.88 and 82,222.54 is: 113,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,652.31 : 196,859.88 = 82,222.54 : x
  2. Step 2: Convert to fraction form
    142,652.31/196,859.88 = 82,222.54/x
  3. Step 3: Cross multiply
    142,652.31x = 196,859.88 × 82,222.54
  4. Step 4: Simplify right side
    142,652.31x = 16,186,319,357.70
  5. Step 5: Solve for x
    x = 16,186,319,357.70/142,652.31
  6. Step 6: Final answer
    x = 113,466.93

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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.