Home / 190,161.40-285,219.87-49,930.96

Finding the Fourth Proportional to 190,161.40, 285,219.87 and 49,930.96

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Solution

The fourth proportional to 190,161.40, 285,219.87 and 49,930.96 is: 74,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,161.40 : 285,219.87 = 49,930.96 : x
  2. Step 2: Convert to fraction form
    190,161.40/285,219.87 = 49,930.96/x
  3. Step 3: Cross multiply
    190,161.40x = 285,219.87 × 49,930.96
  4. Step 4: Simplify right side
    190,161.40x = 14,241,301,920.18
  5. Step 5: Solve for x
    x = 14,241,301,920.18/190,161.40
  6. Step 6: Final answer
    x = 74,890.60

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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.