Home / 132,193.82-182,427.64-71,764.50

Finding the Fourth Proportional to 132,193.82, 182,427.64 and 71,764.50

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Solution

The fourth proportional to 132,193.82, 182,427.64 and 71,764.50 is: 99,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,193.82 : 182,427.64 = 71,764.50 : x
  2. Step 2: Convert to fraction form
    132,193.82/182,427.64 = 71,764.50/x
  3. Step 3: Cross multiply
    132,193.82x = 182,427.64 × 71,764.50
  4. Step 4: Simplify right side
    132,193.82x = 13,091,828,370.78
  5. Step 5: Solve for x
    x = 13,091,828,370.78/132,193.82
  6. Step 6: Final answer
    x = 99,035.10

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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.