Home / 132,031.31-182,201.96-71,603.28

Finding the Fourth Proportional to 132,031.31, 182,201.96 and 71,603.28

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Solution

The fourth proportional to 132,031.31, 182,201.96 and 71,603.28 is: 98,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,031.31 : 182,201.96 = 71,603.28 : x
  2. Step 2: Convert to fraction form
    132,031.31/182,201.96 = 71,603.28/x
  3. Step 3: Cross multiply
    132,031.31x = 182,201.96 × 71,603.28
  4. Step 4: Simplify right side
    132,031.31x = 13,046,257,600.41
  5. Step 5: Solve for x
    x = 13,046,257,600.41/132,031.31
  6. Step 6: Final answer
    x = 98,811.85

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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.