Home / 189,099.36-260,955.82-104,216.48

Finding the Fourth Proportional to 189,099.36, 260,955.82 and 104,216.48

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Solution

The fourth proportional to 189,099.36, 260,955.82 and 104,216.48 is: 143,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,099.36 : 260,955.82 = 104,216.48 : x
  2. Step 2: Convert to fraction form
    189,099.36/260,955.82 = 104,216.48/x
  3. Step 3: Cross multiply
    189,099.36x = 260,955.82 × 104,216.48
  4. Step 4: Simplify right side
    189,099.36x = 27,195,896,995.91
  5. Step 5: Solve for x
    x = 27,195,896,995.91/189,099.36
  6. Step 6: Final answer
    x = 143,818.03

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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.