Home / 132,053.90-182,236.86-81,041.09

Finding the Fourth Proportional to 132,053.90, 182,236.86 and 81,041.09

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Solution

The fourth proportional to 132,053.90, 182,236.86 and 81,041.09 is: 111,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,053.90 : 182,236.86 = 81,041.09 : x
  2. Step 2: Convert to fraction form
    132,053.90/182,236.86 = 81,041.09/x
  3. Step 3: Cross multiply
    132,053.90x = 182,236.86 × 81,041.09
  4. Step 4: Simplify right side
    132,053.90x = 14,768,673,772.58
  5. Step 5: Solve for x
    x = 14,768,673,772.58/132,053.90
  6. Step 6: Final answer
    x = 111,838.22

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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.