Home / 112,766.27-169,260.11-84,754.89

Finding the Fourth Proportional to 112,766.27, 169,260.11 and 84,754.89

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Solution

The fourth proportional to 112,766.27, 169,260.11 and 84,754.89 is: 127,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,766.27 : 169,260.11 = 84,754.89 : x
  2. Step 2: Convert to fraction form
    112,766.27/169,260.11 = 84,754.89/x
  3. Step 3: Cross multiply
    112,766.27x = 169,260.11 × 84,754.89
  4. Step 4: Simplify right side
    112,766.27x = 14,345,621,580.66
  5. Step 5: Solve for x
    x = 14,345,621,580.66/112,766.27
  6. Step 6: Final answer
    x = 127,215.54

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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.