Home / 190,028.48-285,125.41-119,113.64

Finding the Fourth Proportional to 190,028.48, 285,125.41 and 119,113.64

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Solution

The fourth proportional to 190,028.48, 285,125.41 and 119,113.64 is: 178,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,028.48 : 285,125.41 = 119,113.64 : x
  2. Step 2: Convert to fraction form
    190,028.48/285,125.41 = 119,113.64/x
  3. Step 3: Cross multiply
    190,028.48x = 285,125.41 × 119,113.64
  4. Step 4: Simplify right side
    190,028.48x = 33,962,324,015.97
  5. Step 5: Solve for x
    x = 33,962,324,015.97/190,028.48
  6. Step 6: Final answer
    x = 178,722.29

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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.