Home / 166,888.72-230,297.88-91,435.60

Finding the Fourth Proportional to 166,888.72, 230,297.88 and 91,435.60

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Solution

The fourth proportional to 166,888.72, 230,297.88 and 91,435.60 is: 126,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,888.72 : 230,297.88 = 91,435.60 : x
  2. Step 2: Convert to fraction form
    166,888.72/230,297.88 = 91,435.60/x
  3. Step 3: Cross multiply
    166,888.72x = 230,297.88 × 91,435.60
  4. Step 4: Simplify right side
    166,888.72x = 21,057,424,836.53
  5. Step 5: Solve for x
    x = 21,057,424,836.53/166,888.72
  6. Step 6: Final answer
    x = 126,176.44

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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.