Home / 160,120.84-220,997.22-105,577.06

Finding the Fourth Proportional to 160,120.84, 220,997.22 and 105,577.06

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Solution

The fourth proportional to 160,120.84, 220,997.22 and 105,577.06 is: 145,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,120.84 : 220,997.22 = 105,577.06 : x
  2. Step 2: Convert to fraction form
    160,120.84/220,997.22 = 105,577.06/x
  3. Step 3: Cross multiply
    160,120.84x = 220,997.22 × 105,577.06
  4. Step 4: Simplify right side
    160,120.84x = 23,332,236,755.77
  5. Step 5: Solve for x
    x = 23,332,236,755.77/160,120.84
  6. Step 6: Final answer
    x = 145,716.43

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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.