Home / 126,173.48-189,231.06-37,405.58

Finding the Fourth Proportional to 126,173.48, 189,231.06 and 37,405.58

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Solution

The fourth proportional to 126,173.48, 189,231.06 and 37,405.58 is: 56,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,173.48 : 189,231.06 = 37,405.58 : x
  2. Step 2: Convert to fraction form
    126,173.48/189,231.06 = 37,405.58/x
  3. Step 3: Cross multiply
    126,173.48x = 189,231.06 × 37,405.58
  4. Step 4: Simplify right side
    126,173.48x = 7,078,297,553.31
  5. Step 5: Solve for x
    x = 7,078,297,553.31/126,173.48
  6. Step 6: Final answer
    x = 56,099.73

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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.