Home / 171,956.40-257,560.64-105,194.60

Finding the Fourth Proportional to 171,956.40, 257,560.64 and 105,194.60

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Solution

The fourth proportional to 171,956.40, 257,560.64 and 105,194.60 is: 157,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,956.40 : 257,560.64 = 105,194.60 : x
  2. Step 2: Convert to fraction form
    171,956.40/257,560.64 = 105,194.60/x
  3. Step 3: Cross multiply
    171,956.40x = 257,560.64 × 105,194.60
  4. Step 4: Simplify right side
    171,956.40x = 27,093,988,500.54
  5. Step 5: Solve for x
    x = 27,093,988,500.54/171,956.40
  6. Step 6: Final answer
    x = 157,563.13

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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.