Home / 294,924.20-442,386.30-272,114.60

Finding the Fourth Proportional to 294,924.20, 442,386.30 and 272,114.60

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Solution

The fourth proportional to 294,924.20, 442,386.30 and 272,114.60 is: 408,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,924.20 : 442,386.30 = 272,114.60 : x
  2. Step 2: Convert to fraction form
    294,924.20/442,386.30 = 272,114.60/x
  3. Step 3: Cross multiply
    294,924.20x = 442,386.30 × 272,114.60
  4. Step 4: Simplify right side
    294,924.20x = 120,379,771,069.98
  5. Step 5: Solve for x
    x = 120,379,771,069.98/294,924.20
  6. Step 6: Final answer
    x = 408,171.90

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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.