Home / 132,290.94-182,563.44-71,862.72

Finding the Fourth Proportional to 132,290.94, 182,563.44 and 71,862.72

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Solution

The fourth proportional to 132,290.94, 182,563.44 and 71,862.72 is: 99,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,290.94 : 182,563.44 = 71,862.72 : x
  2. Step 2: Convert to fraction form
    132,290.94/182,563.44 = 71,862.72/x
  3. Step 3: Cross multiply
    132,290.94x = 182,563.44 × 71,862.72
  4. Step 4: Simplify right side
    132,290.94x = 13,119,505,370.96
  5. Step 5: Solve for x
    x = 13,119,505,370.96/132,290.94
  6. Step 6: Final answer
    x = 99,171.61

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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.