Home / 190,144.94-285,255.50-70,202.64

Finding the Fourth Proportional to 190,144.94, 285,255.50 and 70,202.64

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Solution

The fourth proportional to 190,144.94, 285,255.50 and 70,202.64 is: 105,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,144.94 : 285,255.50 = 70,202.64 : x
  2. Step 2: Convert to fraction form
    190,144.94/285,255.50 = 70,202.64/x
  3. Step 3: Cross multiply
    190,144.94x = 285,255.50 × 70,202.64
  4. Step 4: Simplify right side
    190,144.94x = 20,025,689,174.52
  5. Step 5: Solve for x
    x = 20,025,689,174.52/190,144.94
  6. Step 6: Final answer
    x = 105,318.02

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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.