Home / 189,003.06-283,512.51-70,662.42

Finding the Fourth Proportional to 189,003.06, 283,512.51 and 70,662.42

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Solution

The fourth proportional to 189,003.06, 283,512.51 and 70,662.42 is: 105,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,003.06 : 283,512.51 = 70,662.42 : x
  2. Step 2: Convert to fraction form
    189,003.06/283,512.51 = 70,662.42/x
  3. Step 3: Cross multiply
    189,003.06x = 283,512.51 × 70,662.42
  4. Step 4: Simplify right side
    189,003.06x = 20,033,680,056.87
  5. Step 5: Solve for x
    x = 20,033,680,056.87/189,003.06
  6. Step 6: Final answer
    x = 105,996.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.