Home / 167,926.36-231,728.70-100,845.40

Finding the Fourth Proportional to 167,926.36, 231,728.70 and 100,845.40

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Solution

The fourth proportional to 167,926.36, 231,728.70 and 100,845.40 is: 139,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,926.36 : 231,728.70 = 100,845.40 : x
  2. Step 2: Convert to fraction form
    167,926.36/231,728.70 = 100,845.40/x
  3. Step 3: Cross multiply
    167,926.36x = 231,728.70 × 100,845.40
  4. Step 4: Simplify right side
    167,926.36x = 23,368,773,442.98
  5. Step 5: Solve for x
    x = 23,368,773,442.98/167,926.36
  6. Step 6: Final answer
    x = 139,160.84

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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.