Home / 131,455.44-197,182.96-31,615.56

Finding the Fourth Proportional to 131,455.44, 197,182.96 and 31,615.56

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Solution

The fourth proportional to 131,455.44, 197,182.96 and 31,615.56 is: 47,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,455.44 : 197,182.96 = 31,615.56 : x
  2. Step 2: Convert to fraction form
    131,455.44/197,182.96 = 31,615.56/x
  3. Step 3: Cross multiply
    131,455.44x = 197,182.96 × 31,615.56
  4. Step 4: Simplify right side
    131,455.44x = 6,234,049,702.86
  5. Step 5: Solve for x
    x = 6,234,049,702.86/131,455.44
  6. Step 6: Final answer
    x = 47,423.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.