Home / 207,170.22-285,919.30-116,529.60

Finding the Fourth Proportional to 207,170.22, 285,919.30 and 116,529.60

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Solution

The fourth proportional to 207,170.22, 285,919.30 and 116,529.60 is: 160,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,170.22 : 285,919.30 = 116,529.60 : x
  2. Step 2: Convert to fraction form
    207,170.22/285,919.30 = 116,529.60/x
  3. Step 3: Cross multiply
    207,170.22x = 285,919.30 × 116,529.60
  4. Step 4: Simplify right side
    207,170.22x = 33,318,061,661.28
  5. Step 5: Solve for x
    x = 33,318,061,661.28/207,170.22
  6. Step 6: Final answer
    x = 160,824.57

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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.