Home / 132,370.32-182,669.94-80,672.46

Finding the Fourth Proportional to 132,370.32, 182,669.94 and 80,672.46

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Solution

The fourth proportional to 132,370.32, 182,669.94 and 80,672.46 is: 111,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.32 : 182,669.94 = 80,672.46 : x
  2. Step 2: Convert to fraction form
    132,370.32/182,669.94 = 80,672.46/x
  3. Step 3: Cross multiply
    132,370.32x = 182,669.94 × 80,672.46
  4. Step 4: Simplify right side
    132,370.32x = 14,736,433,427.85
  5. Step 5: Solve for x
    x = 14,736,433,427.85/132,370.32
  6. Step 6: Final answer
    x = 111,327.32

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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.