Home / 292,631.44-438,915.26-198,466.52

Finding the Fourth Proportional to 292,631.44, 438,915.26 and 198,466.52

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Solution

The fourth proportional to 292,631.44, 438,915.26 and 198,466.52 is: 297,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,631.44 : 438,915.26 = 198,466.52 : x
  2. Step 2: Convert to fraction form
    292,631.44/438,915.26 = 198,466.52/x
  3. Step 3: Cross multiply
    292,631.44x = 438,915.26 × 198,466.52
  4. Step 4: Simplify right side
    292,631.44x = 87,109,984,227.10
  5. Step 5: Solve for x
    x = 87,109,984,227.10/292,631.44
  6. Step 6: Final answer
    x = 297,678.14

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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.