Home / 132,327.76-182,628-75,757.36

Finding the Fourth Proportional to 132,327.76, 182,628 and 75,757.36

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Solution

The fourth proportional to 132,327.76, 182,628 and 75,757.36 is: 104,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,327.76 : 182,628 = 75,757.36 : x
  2. Step 2: Convert to fraction form
    132,327.76/182,628 = 75,757.36/x
  3. Step 3: Cross multiply
    132,327.76x = 182,628 × 75,757.36
  4. Step 4: Simplify right side
    132,327.76x = 13,835,415,142.08
  5. Step 5: Solve for x
    x = 13,835,415,142.08/132,327.76
  6. Step 6: Final answer
    x = 104,554.14

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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.