Home / 190,201.06-285,304.83-71,928.10

Finding the Fourth Proportional to 190,201.06, 285,304.83 and 71,928.10

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Solution

The fourth proportional to 190,201.06, 285,304.83 and 71,928.10 is: 107,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,201.06 : 285,304.83 = 71,928.10 : x
  2. Step 2: Convert to fraction form
    190,201.06/285,304.83 = 71,928.10/x
  3. Step 3: Cross multiply
    190,201.06x = 285,304.83 × 71,928.10
  4. Step 4: Simplify right side
    190,201.06x = 20,521,434,342.72
  5. Step 5: Solve for x
    x = 20,521,434,342.72/190,201.06
  6. Step 6: Final answer
    x = 107,893.38

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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.