Home / 132,379.71-182,685.22-71,950.49

Finding the Fourth Proportional to 132,379.71, 182,685.22 and 71,950.49

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Solution

The fourth proportional to 132,379.71, 182,685.22 and 71,950.49 is: 99,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,379.71 : 182,685.22 = 71,950.49 : x
  2. Step 2: Convert to fraction form
    132,379.71/182,685.22 = 71,950.49/x
  3. Step 3: Cross multiply
    132,379.71x = 182,685.22 × 71,950.49
  4. Step 4: Simplify right side
    132,379.71x = 13,144,291,371.59
  5. Step 5: Solve for x
    x = 13,144,291,371.59/132,379.71
  6. Step 6: Final answer
    x = 99,292.34

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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.