Home / 170,060.20-255,090.30-119,321.80

Finding the Fourth Proportional to 170,060.20, 255,090.30 and 119,321.80

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Solution

The fourth proportional to 170,060.20, 255,090.30 and 119,321.80 is: 178,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,060.20 : 255,090.30 = 119,321.80 : x
  2. Step 2: Convert to fraction form
    170,060.20/255,090.30 = 119,321.80/x
  3. Step 3: Cross multiply
    170,060.20x = 255,090.30 × 119,321.80
  4. Step 4: Simplify right side
    170,060.20x = 30,437,833,758.54
  5. Step 5: Solve for x
    x = 30,437,833,758.54/170,060.20
  6. Step 6: Final answer
    x = 178,982.70

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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.