Home / 190,333.56-285,478.26-50,103.12

Finding the Fourth Proportional to 190,333.56, 285,478.26 and 50,103.12

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Solution

The fourth proportional to 190,333.56, 285,478.26 and 50,103.12 is: 75,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,333.56 : 285,478.26 = 50,103.12 : x
  2. Step 2: Convert to fraction form
    190,333.56/285,478.26 = 50,103.12/x
  3. Step 3: Cross multiply
    190,333.56x = 285,478.26 × 50,103.12
  4. Step 4: Simplify right side
    190,333.56x = 14,303,351,518.17
  5. Step 5: Solve for x
    x = 14,303,351,518.17/190,333.56
  6. Step 6: Final answer
    x = 75,148.87

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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.