Home / 190,155.48-285,214.62-49,914.12

Finding the Fourth Proportional to 190,155.48, 285,214.62 and 49,914.12

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Solution

The fourth proportional to 190,155.48, 285,214.62 and 49,914.12 is: 74,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,155.48 : 285,214.62 = 49,914.12 : x
  2. Step 2: Convert to fraction form
    190,155.48/285,214.62 = 49,914.12/x
  3. Step 3: Cross multiply
    190,155.48x = 285,214.62 × 49,914.12
  4. Step 4: Simplify right side
    190,155.48x = 14,236,236,768.43
  5. Step 5: Solve for x
    x = 14,236,236,768.43/190,155.48
  6. Step 6: Final answer
    x = 74,866.30

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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.