Home / 112,026.80-167,892.60-82,305.20

Finding the Fourth Proportional to 112,026.80, 167,892.60 and 82,305.20

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Solution

The fourth proportional to 112,026.80, 167,892.60 and 82,305.20 is: 123,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.80 : 167,892.60 = 82,305.20 : x
  2. Step 2: Convert to fraction form
    112,026.80/167,892.60 = 82,305.20/x
  3. Step 3: Cross multiply
    112,026.80x = 167,892.60 × 82,305.20
  4. Step 4: Simplify right side
    112,026.80x = 13,818,434,021.52
  5. Step 5: Solve for x
    x = 13,818,434,021.52/112,026.80
  6. Step 6: Final answer
    x = 123,349.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.