Home / 190,618.45-285,844.60-64,235.14

Finding the Fourth Proportional to 190,618.45, 285,844.60 and 64,235.14

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Solution

The fourth proportional to 190,618.45, 285,844.60 and 64,235.14 is: 96,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,618.45 : 285,844.60 = 64,235.14 : x
  2. Step 2: Convert to fraction form
    190,618.45/285,844.60 = 64,235.14/x
  3. Step 3: Cross multiply
    190,618.45x = 285,844.60 × 64,235.14
  4. Step 4: Simplify right side
    190,618.45x = 18,361,267,264.93
  5. Step 5: Solve for x
    x = 18,361,267,264.93/190,618.45
  6. Step 6: Final answer
    x = 96,324.71

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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.