Home / 132,158.19-182,379.63-71,729.37

Finding the Fourth Proportional to 132,158.19, 182,379.63 and 71,729.37

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Solution

The fourth proportional to 132,158.19, 182,379.63 and 71,729.37 is: 98,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,158.19 : 182,379.63 = 71,729.37 : x
  2. Step 2: Convert to fraction form
    132,158.19/182,379.63 = 71,729.37/x
  3. Step 3: Cross multiply
    132,158.19x = 182,379.63 × 71,729.37
  4. Step 4: Simplify right side
    132,158.19x = 13,081,975,960.73
  5. Step 5: Solve for x
    x = 13,081,975,960.73/132,158.19
  6. Step 6: Final answer
    x = 98,987.25

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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.