Home / 132,379.96-182,686.20-71,950.58

Finding the Fourth Proportional to 132,379.96, 182,686.20 and 71,950.58

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Solution

The fourth proportional to 132,379.96, 182,686.20 and 71,950.58 is: 99,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,379.96 : 182,686.20 = 71,950.58 : x
  2. Step 2: Convert to fraction form
    132,379.96/182,686.20 = 71,950.58/x
  3. Step 3: Cross multiply
    132,379.96x = 182,686.20 × 71,950.58
  4. Step 4: Simplify right side
    132,379.96x = 13,144,378,577.43
  5. Step 5: Solve for x
    x = 13,144,378,577.43/132,379.96
  6. Step 6: Final answer
    x = 99,292.81

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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.