Home / 190,122.56-285,162.24-49,892.12

Finding the Fourth Proportional to 190,122.56, 285,162.24 and 49,892.12

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Solution

The fourth proportional to 190,122.56, 285,162.24 and 49,892.12 is: 74,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,122.56 : 285,162.24 = 49,892.12 : x
  2. Step 2: Convert to fraction form
    190,122.56/285,162.24 = 49,892.12/x
  3. Step 3: Cross multiply
    190,122.56x = 285,162.24 × 49,892.12
  4. Step 4: Simplify right side
    190,122.56x = 14,227,348,697.55
  5. Step 5: Solve for x
    x = 14,227,348,697.55/190,122.56
  6. Step 6: Final answer
    x = 74,832.51

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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.