Home / 122,550.06-169,099.26-76,604.33

Finding the Fourth Proportional to 122,550.06, 169,099.26 and 76,604.33

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Solution

The fourth proportional to 122,550.06, 169,099.26 and 76,604.33 is: 105,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,550.06 : 169,099.26 = 76,604.33 : x
  2. Step 2: Convert to fraction form
    122,550.06/169,099.26 = 76,604.33/x
  3. Step 3: Cross multiply
    122,550.06x = 169,099.26 × 76,604.33
  4. Step 4: Simplify right side
    122,550.06x = 12,953,734,670.30
  5. Step 5: Solve for x
    x = 12,953,734,670.30/122,550.06
  6. Step 6: Final answer
    x = 105,701.58

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1.5x scale

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.