Home / 189,345.36-261,297.99-104,465.46

Finding the Fourth Proportional to 189,345.36, 261,297.99 and 104,465.46

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Solution

The fourth proportional to 189,345.36, 261,297.99 and 104,465.46 is: 144,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,345.36 : 261,297.99 = 104,465.46 : x
  2. Step 2: Convert to fraction form
    189,345.36/261,297.99 = 104,465.46/x
  3. Step 3: Cross multiply
    189,345.36x = 261,297.99 × 104,465.46
  4. Step 4: Simplify right side
    189,345.36x = 27,296,614,722.43
  5. Step 5: Solve for x
    x = 27,296,614,722.43/189,345.36
  6. Step 6: Final answer
    x = 144,163.10

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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.