Home / 183,945.72-253,836.84-107,471.88

Finding the Fourth Proportional to 183,945.72, 253,836.84 and 107,471.88

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Solution

The fourth proportional to 183,945.72, 253,836.84 and 107,471.88 is: 148,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,945.72 : 253,836.84 = 107,471.88 : x
  2. Step 2: Convert to fraction form
    183,945.72/253,836.84 = 107,471.88/x
  3. Step 3: Cross multiply
    183,945.72x = 253,836.84 × 107,471.88
  4. Step 4: Simplify right side
    183,945.72x = 27,280,322,408.06
  5. Step 5: Solve for x
    x = 27,280,322,408.06/183,945.72
  6. Step 6: Final answer
    x = 148,306.37

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1.5x scale

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.