Home / 190,128.44-285,473.02-106,052.87

Finding the Fourth Proportional to 190,128.44, 285,473.02 and 106,052.87

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Solution

The fourth proportional to 190,128.44, 285,473.02 and 106,052.87 is: 159,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128.44 : 285,473.02 = 106,052.87 : x
  2. Step 2: Convert to fraction form
    190,128.44/285,473.02 = 106,052.87/x
  3. Step 3: Cross multiply
    190,128.44x = 285,473.02 × 106,052.87
  4. Step 4: Simplify right side
    190,128.44x = 30,275,233,078.57
  5. Step 5: Solve for x
    x = 30,275,233,078.57/190,128.44
  6. Step 6: Final answer
    x = 159,235.69

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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.