Home / 190,056.74-285,138.94-95,172.38

Finding the Fourth Proportional to 190,056.74, 285,138.94 and 95,172.38

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Solution

The fourth proportional to 190,056.74, 285,138.94 and 95,172.38 is: 142,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,056.74 : 285,138.94 = 95,172.38 : x
  2. Step 2: Convert to fraction form
    190,056.74/285,138.94 = 95,172.38/x
  3. Step 3: Cross multiply
    190,056.74x = 285,138.94 × 95,172.38
  4. Step 4: Simplify right side
    190,056.74x = 27,137,351,550.48
  5. Step 5: Solve for x
    x = 27,137,351,550.48/190,056.74
  6. Step 6: Final answer
    x = 142,785.53

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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.