Home / 190,130.26-285,186.74-63,760.78

Finding the Fourth Proportional to 190,130.26, 285,186.74 and 63,760.78

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Solution

The fourth proportional to 190,130.26, 285,186.74 and 63,760.78 is: 95,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,130.26 : 285,186.74 = 63,760.78 : x
  2. Step 2: Convert to fraction form
    190,130.26/285,186.74 = 63,760.78/x
  3. Step 3: Cross multiply
    190,130.26x = 285,186.74 × 63,760.78
  4. Step 4: Simplify right side
    190,130.26x = 18,183,728,988.06
  5. Step 5: Solve for x
    x = 18,183,728,988.06/190,130.26
  6. Step 6: Final answer
    x = 95,638.27

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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.