Home / 190,260.22-285,142.46-106,016.98

Finding the Fourth Proportional to 190,260.22, 285,142.46 and 106,016.98

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Solution

The fourth proportional to 190,260.22, 285,142.46 and 106,016.98 is: 158,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,260.22 : 285,142.46 = 106,016.98 : x
  2. Step 2: Convert to fraction form
    190,260.22/285,142.46 = 106,016.98/x
  3. Step 3: Cross multiply
    190,260.22x = 285,142.46 × 106,016.98
  4. Step 4: Simplify right side
    190,260.22x = 30,229,941,053.26
  5. Step 5: Solve for x
    x = 30,229,941,053.26/190,260.22
  6. Step 6: Final answer
    x = 158,887.35

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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.