Home / 183,861.36-253,825.56-123,748.08

Finding the Fourth Proportional to 183,861.36, 253,825.56 and 123,748.08

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Solution

The fourth proportional to 183,861.36, 253,825.56 and 123,748.08 is: 170,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,861.36 : 253,825.56 = 123,748.08 : x
  2. Step 2: Convert to fraction form
    183,861.36/253,825.56 = 123,748.08/x
  3. Step 3: Cross multiply
    183,861.36x = 253,825.56 × 123,748.08
  4. Step 4: Simplify right side
    183,861.36x = 31,410,425,704.92
  5. Step 5: Solve for x
    x = 31,410,425,704.92/183,861.36
  6. Step 6: Final answer
    x = 170,837.56

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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.