Home / 132,171.34-182,396.87-71,742.03

Finding the Fourth Proportional to 132,171.34, 182,396.87 and 71,742.03

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Solution

The fourth proportional to 132,171.34, 182,396.87 and 71,742.03 is: 99,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,171.34 : 182,396.87 = 71,742.03 : x
  2. Step 2: Convert to fraction form
    132,171.34/182,396.87 = 71,742.03/x
  3. Step 3: Cross multiply
    132,171.34x = 182,396.87 × 71,742.03
  4. Step 4: Simplify right side
    132,171.34x = 13,085,521,719.45
  5. Step 5: Solve for x
    x = 13,085,521,719.45/132,171.34
  6. Step 6: Final answer
    x = 99,004.23

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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.