Home / 167,181.57-230,709.67-90,702.18

Finding the Fourth Proportional to 167,181.57, 230,709.67 and 90,702.18

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Solution

The fourth proportional to 167,181.57, 230,709.67 and 90,702.18 is: 125,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,181.57 : 230,709.67 = 90,702.18 : x
  2. Step 2: Convert to fraction form
    167,181.57/230,709.67 = 90,702.18/x
  3. Step 3: Cross multiply
    167,181.57x = 230,709.67 × 90,702.18
  4. Step 4: Simplify right side
    167,181.57x = 20,925,869,789.33
  5. Step 5: Solve for x
    x = 20,925,869,789.33/167,181.57
  6. Step 6: Final answer
    x = 125,168.52

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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.