Home / 228,289.37-342,142.91-108,346.10

Finding the Fourth Proportional to 228,289.37, 342,142.91 and 108,346.10

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Solution

The fourth proportional to 228,289.37, 342,142.91 and 108,346.10 is: 162,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,289.37 : 342,142.91 = 108,346.10 : x
  2. Step 2: Convert to fraction form
    228,289.37/342,142.91 = 108,346.10/x
  3. Step 3: Cross multiply
    228,289.37x = 342,142.91 × 108,346.10
  4. Step 4: Simplify right side
    228,289.37x = 37,069,847,688.71
  5. Step 5: Solve for x
    x = 37,069,847,688.71/228,289.37
  6. Step 6: Final answer
    x = 162,380.97

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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.