Home / 132,561.40-182,958.44-84,813.10

Finding the Fourth Proportional to 132,561.40, 182,958.44 and 84,813.10

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Solution

The fourth proportional to 132,561.40, 182,958.44 and 84,813.10 is: 117,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,561.40 : 182,958.44 = 84,813.10 : x
  2. Step 2: Convert to fraction form
    132,561.40/182,958.44 = 84,813.10/x
  3. Step 3: Cross multiply
    132,561.40x = 182,958.44 × 84,813.10
  4. Step 4: Simplify right side
    132,561.40x = 15,517,272,467.56
  5. Step 5: Solve for x
    x = 15,517,272,467.56/132,561.40
  6. Step 6: Final answer
    x = 117,057.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.