Home / 122,922.75-169,623.06-75,166.88

Finding the Fourth Proportional to 122,922.75, 169,623.06 and 75,166.88

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Solution

The fourth proportional to 122,922.75, 169,623.06 and 75,166.88 is: 103,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,922.75 : 169,623.06 = 75,166.88 : x
  2. Step 2: Convert to fraction form
    122,922.75/169,623.06 = 75,166.88/x
  3. Step 3: Cross multiply
    122,922.75x = 169,623.06 × 75,166.88
  4. Step 4: Simplify right side
    122,922.75x = 12,750,035,348.14
  5. Step 5: Solve for x
    x = 12,750,035,348.14/122,922.75
  6. Step 6: Final answer
    x = 103,723.97

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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.