Home / 266,333.04-399,450.24-106,395.36

Finding the Fourth Proportional to 266,333.04, 399,450.24 and 106,395.36

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Solution

The fourth proportional to 266,333.04, 399,450.24 and 106,395.36 is: 159,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,333.04 : 399,450.24 = 106,395.36 : x
  2. Step 2: Convert to fraction form
    266,333.04/399,450.24 = 106,395.36/x
  3. Step 3: Cross multiply
    266,333.04x = 399,450.24 × 106,395.36
  4. Step 4: Simplify right side
    266,333.04x = 42,499,652,086.89
  5. Step 5: Solve for x
    x = 42,499,652,086.89/266,333.04
  6. Step 6: Final answer
    x = 159,573.34

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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.