Home / 132,181.91-182,411.27-71,752.60

Finding the Fourth Proportional to 132,181.91, 182,411.27 and 71,752.60

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Solution

The fourth proportional to 132,181.91, 182,411.27 and 71,752.60 is: 99,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.91 : 182,411.27 = 71,752.60 : x
  2. Step 2: Convert to fraction form
    132,181.91/182,411.27 = 71,752.60/x
  3. Step 3: Cross multiply
    132,181.91x = 182,411.27 × 71,752.60
  4. Step 4: Simplify right side
    132,181.91x = 13,088,481,800.36
  5. Step 5: Solve for x
    x = 13,088,481,800.36/132,181.91
  6. Step 6: Final answer
    x = 99,018.71

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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.