Home / 166,838.91-250,258.26-66,999.09

Finding the Fourth Proportional to 166,838.91, 250,258.26 and 66,999.09

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Solution

The fourth proportional to 166,838.91, 250,258.26 and 66,999.09 is: 100,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,838.91 : 250,258.26 = 66,999.09 : x
  2. Step 2: Convert to fraction form
    166,838.91/250,258.26 = 66,999.09/x
  3. Step 3: Cross multiply
    166,838.91x = 250,258.26 × 66,999.09
  4. Step 4: Simplify right side
    166,838.91x = 16,767,075,684.98
  5. Step 5: Solve for x
    x = 16,767,075,684.98/166,838.91
  6. Step 6: Final answer
    x = 100,498.59

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1.5x scale

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.