Home / 190,583.07-285,643.83-106,253.68

Finding the Fourth Proportional to 190,583.07, 285,643.83 and 106,253.68

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Solution

The fourth proportional to 190,583.07, 285,643.83 and 106,253.68 is: 159,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,583.07 : 285,643.83 = 106,253.68 : x
  2. Step 2: Convert to fraction form
    190,583.07/285,643.83 = 106,253.68/x
  3. Step 3: Cross multiply
    190,583.07x = 285,643.83 × 106,253.68
  4. Step 4: Simplify right side
    190,583.07x = 30,350,708,106.79
  5. Step 5: Solve for x
    x = 30,350,708,106.79/190,583.07
  6. Step 6: Final answer
    x = 159,251.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.