Home / 167,505.09-251,203.59-55,158.60

Finding the Fourth Proportional to 167,505.09, 251,203.59 and 55,158.60

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Solution

The fourth proportional to 167,505.09, 251,203.59 and 55,158.60 is: 82,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,505.09 : 251,203.59 = 55,158.60 : x
  2. Step 2: Convert to fraction form
    167,505.09/251,203.59 = 55,158.60/x
  3. Step 3: Cross multiply
    167,505.09x = 251,203.59 × 55,158.60
  4. Step 4: Simplify right side
    167,505.09x = 13,856,038,339.37
  5. Step 5: Solve for x
    x = 13,856,038,339.37/167,505.09
  6. Step 6: Final answer
    x = 82,720.10

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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.