Home / 190,313.88-285,647.94-96,889.56

Finding the Fourth Proportional to 190,313.88, 285,647.94 and 96,889.56

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Solution

The fourth proportional to 190,313.88, 285,647.94 and 96,889.56 is: 145,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,313.88 : 285,647.94 = 96,889.56 : x
  2. Step 2: Convert to fraction form
    190,313.88/285,647.94 = 96,889.56/x
  3. Step 3: Cross multiply
    190,313.88x = 285,647.94 × 96,889.56
  4. Step 4: Simplify right side
    190,313.88x = 27,676,303,221.51
  5. Step 5: Solve for x
    x = 27,676,303,221.51/190,313.88
  6. Step 6: Final answer
    x = 145,424.51

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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.