Home / 118,548.06-163,596.41-66,865.80

Finding the Fourth Proportional to 118,548.06, 163,596.41 and 66,865.80

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Solution

The fourth proportional to 118,548.06, 163,596.41 and 66,865.80 is: 92,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,548.06 : 163,596.41 = 66,865.80 : x
  2. Step 2: Convert to fraction form
    118,548.06/163,596.41 = 66,865.80/x
  3. Step 3: Cross multiply
    118,548.06x = 163,596.41 × 66,865.80
  4. Step 4: Simplify right side
    118,548.06x = 10,939,005,361.68
  5. Step 5: Solve for x
    x = 10,939,005,361.68/118,548.06
  6. Step 6: Final answer
    x = 92,274.86

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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.