Home / 198,157.16-273,491.97-117,629.26

Finding the Fourth Proportional to 198,157.16, 273,491.97 and 117,629.26

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Solution

The fourth proportional to 198,157.16, 273,491.97 and 117,629.26 is: 162,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,157.16 : 273,491.97 = 117,629.26 : x
  2. Step 2: Convert to fraction form
    198,157.16/273,491.97 = 117,629.26/x
  3. Step 3: Cross multiply
    198,157.16x = 273,491.97 × 117,629.26
  4. Step 4: Simplify right side
    198,157.16x = 32,170,658,047.04
  5. Step 5: Solve for x
    x = 32,170,658,047.04/198,157.16
  6. Step 6: Final answer
    x = 162,349.21

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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.