Home / 142,912.38-197,308.26-92,013.36

Finding the Fourth Proportional to 142,912.38, 197,308.26 and 92,013.36

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Solution

The fourth proportional to 142,912.38, 197,308.26 and 92,013.36 is: 127,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,912.38 : 197,308.26 = 92,013.36 : x
  2. Step 2: Convert to fraction form
    142,912.38/197,308.26 = 92,013.36/x
  3. Step 3: Cross multiply
    142,912.38x = 197,308.26 × 92,013.36
  4. Step 4: Simplify right side
    142,912.38x = 18,154,995,958.35
  5. Step 5: Solve for x
    x = 18,154,995,958.35/142,912.38
  6. Step 6: Final answer
    x = 127,035.85

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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.