Home / 139,537.22-209,181.21-50,728.16

Finding the Fourth Proportional to 139,537.22, 209,181.21 and 50,728.16

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Solution

The fourth proportional to 139,537.22, 209,181.21 and 50,728.16 is: 76,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,537.22 : 209,181.21 = 50,728.16 : x
  2. Step 2: Convert to fraction form
    139,537.22/209,181.21 = 50,728.16/x
  3. Step 3: Cross multiply
    139,537.22x = 209,181.21 × 50,728.16
  4. Step 4: Simplify right side
    139,537.22x = 10,611,377,889.87
  5. Step 5: Solve for x
    x = 10,611,377,889.87/139,537.22
  6. Step 6: Final answer
    x = 76,046.93

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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.