Home / 132,379.49-182,679.22-75,779.93

Finding the Fourth Proportional to 132,379.49, 182,679.22 and 75,779.93

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Solution

The fourth proportional to 132,379.49, 182,679.22 and 75,779.93 is: 104,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,379.49 : 182,679.22 = 75,779.93 : x
  2. Step 2: Convert to fraction form
    132,379.49/182,679.22 = 75,779.93/x
  3. Step 3: Cross multiply
    132,379.49x = 182,679.22 × 75,779.93
  4. Step 4: Simplify right side
    132,379.49x = 13,843,418,504.05
  5. Step 5: Solve for x
    x = 13,843,418,504.05/132,379.49
  6. Step 6: Final answer
    x = 104,573.74

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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.