Home / 122,922.25-169,622.37-75,166.37

Finding the Fourth Proportional to 122,922.25, 169,622.37 and 75,166.37

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Solution

The fourth proportional to 122,922.25, 169,622.37 and 75,166.37 is: 103,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,922.25 : 169,622.37 = 75,166.37 : x
  2. Step 2: Convert to fraction form
    122,922.25/169,622.37 = 75,166.37/x
  3. Step 3: Cross multiply
    122,922.25x = 169,622.37 × 75,166.37
  4. Step 4: Simplify right side
    122,922.25x = 12,749,897,823.70
  5. Step 5: Solve for x
    x = 12,749,897,823.70/122,922.25
  6. Step 6: Final answer
    x = 103,723.27

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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.