Home / 132,383.71-182,690.75-71,954.50

Finding the Fourth Proportional to 132,383.71, 182,690.75 and 71,954.50

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Solution

The fourth proportional to 132,383.71, 182,690.75 and 71,954.50 is: 99,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,383.71 : 182,690.75 = 71,954.50 : x
  2. Step 2: Convert to fraction form
    132,383.71/182,690.75 = 71,954.50/x
  3. Step 3: Cross multiply
    132,383.71x = 182,690.75 × 71,954.50
  4. Step 4: Simplify right side
    132,383.71x = 13,145,421,570.88
  5. Step 5: Solve for x
    x = 13,145,421,570.88/132,383.71
  6. Step 6: Final answer
    x = 99,297.88

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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.