Home / 194,022.52-290,611.98-118,915.96

Finding the Fourth Proportional to 194,022.52, 290,611.98 and 118,915.96

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Solution

The fourth proportional to 194,022.52, 290,611.98 and 118,915.96 is: 178,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,022.52 : 290,611.98 = 118,915.96 : x
  2. Step 2: Convert to fraction form
    194,022.52/290,611.98 = 118,915.96/x
  3. Step 3: Cross multiply
    194,022.52x = 290,611.98 × 118,915.96
  4. Step 4: Simplify right side
    194,022.52x = 34,558,402,589.20
  5. Step 5: Solve for x
    x = 34,558,402,589.20/194,022.52
  6. Step 6: Final answer
    x = 178,115.42

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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.