Home / 132,126.54-182,334.74-74,764.64

Finding the Fourth Proportional to 132,126.54, 182,334.74 and 74,764.64

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Solution

The fourth proportional to 132,126.54, 182,334.74 and 74,764.64 is: 103,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,126.54 : 182,334.74 = 74,764.64 : x
  2. Step 2: Convert to fraction form
    132,126.54/182,334.74 = 74,764.64/x
  3. Step 3: Cross multiply
    132,126.54x = 182,334.74 × 74,764.64
  4. Step 4: Simplify right side
    132,126.54x = 13,632,189,910.10
  5. Step 5: Solve for x
    x = 13,632,189,910.10/132,126.54
  6. Step 6: Final answer
    x = 103,175.26

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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.