Home / 172,607.44-258,778.68-155,023.60

Finding the Fourth Proportional to 172,607.44, 258,778.68 and 155,023.60

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Solution

The fourth proportional to 172,607.44, 258,778.68 and 155,023.60 is: 232,416.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,607.44 : 258,778.68 = 155,023.60 : x
  2. Step 2: Convert to fraction form
    172,607.44/258,778.68 = 155,023.60/x
  3. Step 3: Cross multiply
    172,607.44x = 258,778.68 × 155,023.60
  4. Step 4: Simplify right side
    172,607.44x = 40,116,802,576.85
  5. Step 5: Solve for x
    x = 40,116,802,576.85/172,607.44
  6. Step 6: Final answer
    x = 232,416.42

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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.