Home / 195,739.80-293,480.10-71,064.60

Finding the Fourth Proportional to 195,739.80, 293,480.10 and 71,064.60

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Solution

The fourth proportional to 195,739.80, 293,480.10 and 71,064.60 is: 106,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,739.80 : 293,480.10 = 71,064.60 : x
  2. Step 2: Convert to fraction form
    195,739.80/293,480.10 = 71,064.60/x
  3. Step 3: Cross multiply
    195,739.80x = 293,480.10 × 71,064.60
  4. Step 4: Simplify right side
    195,739.80x = 20,856,045,914.46
  5. Step 5: Solve for x
    x = 20,856,045,914.46/195,739.80
  6. Step 6: Final answer
    x = 106,549.85

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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.