Home / 105,231.54-157,846.14-30,349.25

Finding the Fourth Proportional to 105,231.54, 157,846.14 and 30,349.25

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Solution

The fourth proportional to 105,231.54, 157,846.14 and 30,349.25 is: 45,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,231.54 : 157,846.14 = 30,349.25 : x
  2. Step 2: Convert to fraction form
    105,231.54/157,846.14 = 30,349.25/x
  3. Step 3: Cross multiply
    105,231.54x = 157,846.14 × 30,349.25
  4. Step 4: Simplify right side
    105,231.54x = 4,790,511,175.16
  5. Step 5: Solve for x
    x = 4,790,511,175.16/105,231.54
  6. Step 6: Final answer
    x = 45,523.53

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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.