Home / 190,997.37-286,317.99-64,549.20

Finding the Fourth Proportional to 190,997.37, 286,317.99 and 64,549.20

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Solution

The fourth proportional to 190,997.37, 286,317.99 and 64,549.20 is: 96,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,997.37 : 286,317.99 = 64,549.20 : x
  2. Step 2: Convert to fraction form
    190,997.37/286,317.99 = 64,549.20/x
  3. Step 3: Cross multiply
    190,997.37x = 286,317.99 × 64,549.20
  4. Step 4: Simplify right side
    190,997.37x = 18,481,597,200.11
  5. Step 5: Solve for x
    x = 18,481,597,200.11/190,997.37
  6. Step 6: Final answer
    x = 96,763.62

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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.