Home / 190,193.56-285,268.33-49,963.12

Finding the Fourth Proportional to 190,193.56, 285,268.33 and 49,963.12

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Solution

The fourth proportional to 190,193.56, 285,268.33 and 49,963.12 is: 74,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,193.56 : 285,268.33 = 49,963.12 : x
  2. Step 2: Convert to fraction form
    190,193.56/285,268.33 = 49,963.12/x
  3. Step 3: Cross multiply
    190,193.56x = 285,268.33 × 49,963.12
  4. Step 4: Simplify right side
    190,193.56x = 14,252,895,803.99
  5. Step 5: Solve for x
    x = 14,252,895,803.99/190,193.56
  6. Step 6: Final answer
    x = 74,938.90

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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.