Home / 190,424.24-285,536.52-65,735.60

Finding the Fourth Proportional to 190,424.24, 285,536.52 and 65,735.60

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Solution

The fourth proportional to 190,424.24, 285,536.52 and 65,735.60 is: 98,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,424.24 : 285,536.52 = 65,735.60 : x
  2. Step 2: Convert to fraction form
    190,424.24/285,536.52 = 65,735.60/x
  3. Step 3: Cross multiply
    190,424.24x = 285,536.52 × 65,735.60
  4. Step 4: Simplify right side
    190,424.24x = 18,769,914,464.11
  5. Step 5: Solve for x
    x = 18,769,914,464.11/190,424.24
  6. Step 6: Final answer
    x = 98,568.93

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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.