Home / 112,796.22-168,198.54-111,783.90

Finding the Fourth Proportional to 112,796.22, 168,198.54 and 111,783.90

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Solution

The fourth proportional to 112,796.22, 168,198.54 and 111,783.90 is: 166,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,796.22 : 168,198.54 = 111,783.90 : x
  2. Step 2: Convert to fraction form
    112,796.22/168,198.54 = 111,783.90/x
  3. Step 3: Cross multiply
    112,796.22x = 168,198.54 × 111,783.90
  4. Step 4: Simplify right side
    112,796.22x = 18,801,888,775.51
  5. Step 5: Solve for x
    x = 18,801,888,775.51/112,796.22
  6. Step 6: Final answer
    x = 166,689.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.