Home / 189,921.88-262,096.14-105,044.68

Finding the Fourth Proportional to 189,921.88, 262,096.14 and 105,044.68

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Solution

The fourth proportional to 189,921.88, 262,096.14 and 105,044.68 is: 144,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,921.88 : 262,096.14 = 105,044.68 : x
  2. Step 2: Convert to fraction form
    189,921.88/262,096.14 = 105,044.68/x
  3. Step 3: Cross multiply
    189,921.88x = 262,096.14 × 105,044.68
  4. Step 4: Simplify right side
    189,921.88x = 27,531,805,155.54
  5. Step 5: Solve for x
    x = 27,531,805,155.54/189,921.88
  6. Step 6: Final answer
    x = 144,963.84

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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.