Home / 132,282.86-182,556.64-81,297.71

Finding the Fourth Proportional to 132,282.86, 182,556.64 and 81,297.71

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Solution

The fourth proportional to 132,282.86, 182,556.64 and 81,297.71 is: 112,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,282.86 : 182,556.64 = 81,297.71 : x
  2. Step 2: Convert to fraction form
    132,282.86/182,556.64 = 81,297.71/x
  3. Step 3: Cross multiply
    132,282.86x = 182,556.64 × 81,297.71
  4. Step 4: Simplify right side
    132,282.86x = 14,841,436,193.42
  5. Step 5: Solve for x
    x = 14,841,436,193.42/132,282.86
  6. Step 6: Final answer
    x = 112,194.71

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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.