Home / 294,923.70-442,385.55-272,114.10

Finding the Fourth Proportional to 294,923.70, 442,385.55 and 272,114.10

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Solution

The fourth proportional to 294,923.70, 442,385.55 and 272,114.10 is: 408,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,923.70 : 442,385.55 = 272,114.10 : x
  2. Step 2: Convert to fraction form
    294,923.70/442,385.55 = 272,114.10/x
  3. Step 3: Cross multiply
    294,923.70x = 442,385.55 × 272,114.10
  4. Step 4: Simplify right side
    294,923.70x = 120,379,345,791.26
  5. Step 5: Solve for x
    x = 120,379,345,791.26/294,923.70
  6. Step 6: Final answer
    x = 408,171.15

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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.