Home / 190,133.43-285,480.51-106,057.86

Finding the Fourth Proportional to 190,133.43, 285,480.51 and 106,057.86

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Solution

The fourth proportional to 190,133.43, 285,480.51 and 106,057.86 is: 159,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,133.43 : 285,480.51 = 106,057.86 : x
  2. Step 2: Convert to fraction form
    190,133.43/285,480.51 = 106,057.86/x
  3. Step 3: Cross multiply
    190,133.43x = 285,480.51 × 106,057.86
  4. Step 4: Simplify right side
    190,133.43x = 30,277,451,962.31
  5. Step 5: Solve for x
    x = 30,277,451,962.31/190,133.43
  6. Step 6: Final answer
    x = 159,243.18

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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.