Home / 170,741.68-256,673.44-158,410.72

Finding the Fourth Proportional to 170,741.68, 256,673.44 and 158,410.72

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Solution

The fourth proportional to 170,741.68, 256,673.44 and 158,410.72 is: 238,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,741.68 : 256,673.44 = 158,410.72 : x
  2. Step 2: Convert to fraction form
    170,741.68/256,673.44 = 158,410.72/x
  3. Step 3: Cross multiply
    170,741.68x = 256,673.44 × 158,410.72
  4. Step 4: Simplify right side
    170,741.68x = 40,659,824,435.28
  5. Step 5: Solve for x
    x = 40,659,824,435.28/170,741.68
  6. Step 6: Final answer
    x = 238,136.49

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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.