Home / 189,588.96-261,634.32-104,707.44

Finding the Fourth Proportional to 189,588.96, 261,634.32 and 104,707.44

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Solution

The fourth proportional to 189,588.96, 261,634.32 and 104,707.44 is: 144,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,588.96 : 261,634.32 = 104,707.44 : x
  2. Step 2: Convert to fraction form
    189,588.96/261,634.32 = 104,707.44/x
  3. Step 3: Cross multiply
    189,588.96x = 261,634.32 × 104,707.44
  4. Step 4: Simplify right side
    189,588.96x = 27,395,059,863.34
  5. Step 5: Solve for x
    x = 27,395,059,863.34/189,588.96
  6. Step 6: Final answer
    x = 144,497.13

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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.