Home / 190,343.25-285,519.47-63,985.14

Finding the Fourth Proportional to 190,343.25, 285,519.47 and 63,985.14

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Solution

The fourth proportional to 190,343.25, 285,519.47 and 63,985.14 is: 95,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,343.25 : 285,519.47 = 63,985.14 : x
  2. Step 2: Convert to fraction form
    190,343.25/285,519.47 = 63,985.14/x
  3. Step 3: Cross multiply
    190,343.25x = 285,519.47 × 63,985.14
  4. Step 4: Simplify right side
    190,343.25x = 18,269,002,940.75
  5. Step 5: Solve for x
    x = 18,269,002,940.75/190,343.25
  6. Step 6: Final answer
    x = 95,979.25

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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.