Home / 127,431.26-191,142.56-32,662.38

Finding the Fourth Proportional to 127,431.26, 191,142.56 and 32,662.38

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Solution

The fourth proportional to 127,431.26, 191,142.56 and 32,662.38 is: 48,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,431.26 : 191,142.56 = 32,662.38 : x
  2. Step 2: Convert to fraction form
    127,431.26/191,142.56 = 32,662.38/x
  3. Step 3: Cross multiply
    127,431.26x = 191,142.56 × 32,662.38
  4. Step 4: Simplify right side
    127,431.26x = 6,243,170,928.89
  5. Step 5: Solve for x
    x = 6,243,170,928.89/127,431.26
  6. Step 6: Final answer
    x = 48,992.46

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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.