Home / 163,633.12-225,815.05-92,012.51

Finding the Fourth Proportional to 163,633.12, 225,815.05 and 92,012.51

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Solution

The fourth proportional to 163,633.12, 225,815.05 and 92,012.51 is: 126,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,633.12 : 225,815.05 = 92,012.51 : x
  2. Step 2: Convert to fraction form
    163,633.12/225,815.05 = 92,012.51/x
  3. Step 3: Cross multiply
    163,633.12x = 225,815.05 × 92,012.51
  4. Step 4: Simplify right side
    163,633.12x = 20,777,809,880.78
  5. Step 5: Solve for x
    x = 20,777,809,880.78/163,633.12
  6. Step 6: Final answer
    x = 126,978.02

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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.