Home / 168,935.70-233,094.06-100,942.50

Finding the Fourth Proportional to 168,935.70, 233,094.06 and 100,942.50

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Solution

The fourth proportional to 168,935.70, 233,094.06 and 100,942.50 is: 139,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,935.70 : 233,094.06 = 100,942.50 : x
  2. Step 2: Convert to fraction form
    168,935.70/233,094.06 = 100,942.50/x
  3. Step 3: Cross multiply
    168,935.70x = 233,094.06 × 100,942.50
  4. Step 4: Simplify right side
    168,935.70x = 23,529,097,151.55
  5. Step 5: Solve for x
    x = 23,529,097,151.55/168,935.70
  6. Step 6: Final answer
    x = 139,278.42

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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.