Home / 204,290.64-281,915.94-118,237.74

Finding the Fourth Proportional to 204,290.64, 281,915.94 and 118,237.74

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Solution

The fourth proportional to 204,290.64, 281,915.94 and 118,237.74 is: 163,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,290.64 : 281,915.94 = 118,237.74 : x
  2. Step 2: Convert to fraction form
    204,290.64/281,915.94 = 118,237.74/x
  3. Step 3: Cross multiply
    204,290.64x = 281,915.94 × 118,237.74
  4. Step 4: Simplify right side
    204,290.64x = 33,333,103,615.58
  5. Step 5: Solve for x
    x = 33,333,103,615.58/204,290.64
  6. Step 6: Final answer
    x = 163,165.10

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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.