Home / 190,563.45-285,752.57-57,418.89

Finding the Fourth Proportional to 190,563.45, 285,752.57 and 57,418.89

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Solution

The fourth proportional to 190,563.45, 285,752.57 and 57,418.89 is: 86,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,563.45 : 285,752.57 = 57,418.89 : x
  2. Step 2: Convert to fraction form
    190,563.45/285,752.57 = 57,418.89/x
  3. Step 3: Cross multiply
    190,563.45x = 285,752.57 × 57,418.89
  4. Step 4: Simplify right side
    190,563.45x = 16,407,595,096.95
  5. Step 5: Solve for x
    x = 16,407,595,096.95/190,563.45
  6. Step 6: Final answer
    x = 86,100.43

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1.5x scale

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.