Home / 190,778.21-263,277.02-104,745.13

Finding the Fourth Proportional to 190,778.21, 263,277.02 and 104,745.13

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Solution

The fourth proportional to 190,778.21, 263,277.02 and 104,745.13 is: 144,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,778.21 : 263,277.02 = 104,745.13 : x
  2. Step 2: Convert to fraction form
    190,778.21/263,277.02 = 104,745.13/x
  3. Step 3: Cross multiply
    190,778.21x = 263,277.02 × 104,745.13
  4. Step 4: Simplify right side
    190,778.21x = 27,576,985,289.58
  5. Step 5: Solve for x
    x = 27,576,985,289.58/190,778.21
  6. Step 6: Final answer
    x = 144,549.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.