Home / 189,120.16-283,786.89-104,869.77

Finding the Fourth Proportional to 189,120.16, 283,786.89 and 104,869.77

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Solution

The fourth proportional to 189,120.16, 283,786.89 and 104,869.77 is: 157,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,120.16 : 283,786.89 = 104,869.77 : x
  2. Step 2: Convert to fraction form
    189,120.16/283,786.89 = 104,869.77/x
  3. Step 3: Cross multiply
    189,120.16x = 283,786.89 × 104,869.77
  4. Step 4: Simplify right side
    189,120.16x = 29,760,665,883.32
  5. Step 5: Solve for x
    x = 29,760,665,883.32/189,120.16
  6. Step 6: Final answer
    x = 157,363.79

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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.