Home / 132,100.19-182,298.26-75,512.78

Finding the Fourth Proportional to 132,100.19, 182,298.26 and 75,512.78

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Solution

The fourth proportional to 132,100.19, 182,298.26 and 75,512.78 is: 104,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100.19 : 182,298.26 = 75,512.78 : x
  2. Step 2: Convert to fraction form
    132,100.19/182,298.26 = 75,512.78/x
  3. Step 3: Cross multiply
    132,100.19x = 182,298.26 × 75,512.78
  4. Step 4: Simplify right side
    132,100.19x = 13,765,848,401.76
  5. Step 5: Solve for x
    x = 13,765,848,401.76/132,100.19
  6. Step 6: Final answer
    x = 104,207.64

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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.