Home / 190,816.56-286,205.40-50,589.36

Finding the Fourth Proportional to 190,816.56, 286,205.40 and 50,589.36

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Solution

The fourth proportional to 190,816.56, 286,205.40 and 50,589.36 is: 75,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,816.56 : 286,205.40 = 50,589.36 : x
  2. Step 2: Convert to fraction form
    190,816.56/286,205.40 = 50,589.36/x
  3. Step 3: Cross multiply
    190,816.56x = 286,205.40 × 50,589.36
  4. Step 4: Simplify right side
    190,816.56x = 14,478,948,014.54
  5. Step 5: Solve for x
    x = 14,478,948,014.54/190,816.56
  6. Step 6: Final answer
    x = 75,878.89

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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.