Home / 190,989.71-263,565.74-104,954.24

Finding the Fourth Proportional to 190,989.71, 263,565.74 and 104,954.24

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Solution

The fourth proportional to 190,989.71, 263,565.74 and 104,954.24 is: 144,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,989.71 : 263,565.74 = 104,954.24 : x
  2. Step 2: Convert to fraction form
    190,989.71/263,565.74 = 104,954.24/x
  3. Step 3: Cross multiply
    190,989.71x = 263,565.74 × 104,954.24
  4. Step 4: Simplify right side
    190,989.71x = 27,662,340,089.14
  5. Step 5: Solve for x
    x = 27,662,340,089.14/190,989.71
  6. Step 6: Final answer
    x = 144,836.81

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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.