Home / 166,928.72-230,234.53-143,684.74

Finding the Fourth Proportional to 166,928.72, 230,234.53 and 143,684.74

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Solution

The fourth proportional to 166,928.72, 230,234.53 and 143,684.74 is: 198,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,928.72 : 230,234.53 = 143,684.74 : x
  2. Step 2: Convert to fraction form
    166,928.72/230,234.53 = 143,684.74/x
  3. Step 3: Cross multiply
    166,928.72x = 230,234.53 × 143,684.74
  4. Step 4: Simplify right side
    166,928.72x = 33,081,187,080.88
  5. Step 5: Solve for x
    x = 33,081,187,080.88/166,928.72
  6. Step 6: Final answer
    x = 198,175.52

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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.