Home / 204,239.88-281,831.29-118,181.70

Finding the Fourth Proportional to 204,239.88, 281,831.29 and 118,181.70

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Solution

The fourth proportional to 204,239.88, 281,831.29 and 118,181.70 is: 163,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,239.88 : 281,831.29 = 118,181.70 : x
  2. Step 2: Convert to fraction form
    204,239.88/281,831.29 = 118,181.70/x
  3. Step 3: Cross multiply
    204,239.88x = 281,831.29 × 118,181.70
  4. Step 4: Simplify right side
    204,239.88x = 33,307,300,965.39
  5. Step 5: Solve for x
    x = 33,307,300,965.39/204,239.88
  6. Step 6: Final answer
    x = 163,079.32

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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.