Home / 190,840.66-263,393.78-142,683.93

Finding the Fourth Proportional to 190,840.66, 263,393.78 and 142,683.93

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Solution

The fourth proportional to 190,840.66, 263,393.78 and 142,683.93 is: 196,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,840.66 : 263,393.78 = 142,683.93 : x
  2. Step 2: Convert to fraction form
    190,840.66/263,393.78 = 142,683.93/x
  3. Step 3: Cross multiply
    190,840.66x = 263,393.78 × 142,683.93
  4. Step 4: Simplify right side
    190,840.66x = 37,582,058,954.54
  5. Step 5: Solve for x
    x = 37,582,058,954.54/190,840.66
  6. Step 6: Final answer
    x = 196,929.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.