Home / 112,521.36-168,634.38-82,800.03

Finding the Fourth Proportional to 112,521.36, 168,634.38 and 82,800.03

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Solution

The fourth proportional to 112,521.36, 168,634.38 and 82,800.03 is: 124,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,521.36 : 168,634.38 = 82,800.03 : x
  2. Step 2: Convert to fraction form
    112,521.36/168,634.38 = 82,800.03/x
  3. Step 3: Cross multiply
    112,521.36x = 168,634.38 × 82,800.03
  4. Step 4: Simplify right side
    112,521.36x = 13,962,931,723.03
  5. Step 5: Solve for x
    x = 13,962,931,723.03/112,521.36
  6. Step 6: Final answer
    x = 124,091.39

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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.