Home / 131,123.44-196,680.09-37,629.19

Finding the Fourth Proportional to 131,123.44, 196,680.09 and 37,629.19

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Solution

The fourth proportional to 131,123.44, 196,680.09 and 37,629.19 is: 56,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,123.44 : 196,680.09 = 37,629.19 : x
  2. Step 2: Convert to fraction form
    131,123.44/196,680.09 = 37,629.19/x
  3. Step 3: Cross multiply
    131,123.44x = 196,680.09 × 37,629.19
  4. Step 4: Simplify right side
    131,123.44x = 7,400,912,475.83
  5. Step 5: Solve for x
    x = 7,400,912,475.83/131,123.44
  6. Step 6: Final answer
    x = 56,442.33

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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.