Home / 190,449.68-285,649.56-50,219.36

Finding the Fourth Proportional to 190,449.68, 285,649.56 and 50,219.36

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Solution

The fourth proportional to 190,449.68, 285,649.56 and 50,219.36 is: 75,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,449.68 : 285,649.56 = 50,219.36 : x
  2. Step 2: Convert to fraction form
    190,449.68/285,649.56 = 50,219.36/x
  3. Step 3: Cross multiply
    190,449.68x = 285,649.56 × 50,219.36
  4. Step 4: Simplify right side
    190,449.68x = 14,345,138,087.48
  5. Step 5: Solve for x
    x = 14,345,138,087.48/190,449.68
  6. Step 6: Final answer
    x = 75,322.46

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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.