Home / 132,431.05-198,584.07-48,131.92

Finding the Fourth Proportional to 132,431.05, 198,584.07 and 48,131.92

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Solution

The fourth proportional to 132,431.05, 198,584.07 and 48,131.92 is: 72,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,431.05 : 198,584.07 = 48,131.92 : x
  2. Step 2: Convert to fraction form
    132,431.05/198,584.07 = 48,131.92/x
  3. Step 3: Cross multiply
    132,431.05x = 198,584.07 × 48,131.92
  4. Step 4: Simplify right side
    132,431.05x = 9,558,232,570.51
  5. Step 5: Solve for x
    x = 9,558,232,570.51/132,431.05
  6. Step 6: Final answer
    x = 72,175.16

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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.