Home / 142,745.85-197,010.24-82,304.67

Finding the Fourth Proportional to 142,745.85, 197,010.24 and 82,304.67

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Solution

The fourth proportional to 142,745.85, 197,010.24 and 82,304.67 is: 113,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,745.85 : 197,010.24 = 82,304.67 : x
  2. Step 2: Convert to fraction form
    142,745.85/197,010.24 = 82,304.67/x
  3. Step 3: Cross multiply
    142,745.85x = 197,010.24 × 82,304.67
  4. Step 4: Simplify right side
    142,745.85x = 16,214,862,789.82
  5. Step 5: Solve for x
    x = 16,214,862,789.82/142,745.85
  6. Step 6: Final answer
    x = 113,592.53

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1.5x scale

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.