Home / 295,243.20-442,208.70-228,466.80

Finding the Fourth Proportional to 295,243.20, 442,208.70 and 228,466.80

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Solution

The fourth proportional to 295,243.20, 442,208.70 and 228,466.80 is: 342,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,243.20 : 442,208.70 = 228,466.80 : x
  2. Step 2: Convert to fraction form
    295,243.20/442,208.70 = 228,466.80/x
  3. Step 3: Cross multiply
    295,243.20x = 442,208.70 × 228,466.80
  4. Step 4: Simplify right side
    295,243.20x = 101,030,006,621.16
  5. Step 5: Solve for x
    x = 101,030,006,621.16/295,243.20
  6. Step 6: Final answer
    x = 342,192.49

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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.