Home / 190,187.49-285,309.06-57,078.27

Finding the Fourth Proportional to 190,187.49, 285,309.06 and 57,078.27

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Solution

The fourth proportional to 190,187.49, 285,309.06 and 57,078.27 is: 85,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,187.49 : 285,309.06 = 57,078.27 : x
  2. Step 2: Convert to fraction form
    190,187.49/285,309.06 = 57,078.27/x
  3. Step 3: Cross multiply
    190,187.49x = 285,309.06 × 57,078.27
  4. Step 4: Simplify right side
    190,187.49x = 16,284,947,560.13
  5. Step 5: Solve for x
    x = 16,284,947,560.13/190,187.49
  6. Step 6: Final answer
    x = 85,625.76

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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.