Home / 132,231.96-182,496.78-81,938.52

Finding the Fourth Proportional to 132,231.96, 182,496.78 and 81,938.52

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Solution

The fourth proportional to 132,231.96, 182,496.78 and 81,938.52 is: 113,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,231.96 : 182,496.78 = 81,938.52 : x
  2. Step 2: Convert to fraction form
    132,231.96/182,496.78 = 81,938.52/x
  3. Step 3: Cross multiply
    132,231.96x = 182,496.78 × 81,938.52
  4. Step 4: Simplify right side
    132,231.96x = 14,953,516,057.97
  5. Step 5: Solve for x
    x = 14,953,516,057.97/132,231.96
  6. Step 6: Final answer
    x = 113,085.49

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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.