Home / 227,076.12-340,622.01-120,315.69

Finding the Fourth Proportional to 227,076.12, 340,622.01 and 120,315.69

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Solution

The fourth proportional to 227,076.12, 340,622.01 and 120,315.69 is: 180,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,076.12 : 340,622.01 = 120,315.69 : x
  2. Step 2: Convert to fraction form
    227,076.12/340,622.01 = 120,315.69/x
  3. Step 3: Cross multiply
    227,076.12x = 340,622.01 × 120,315.69
  4. Step 4: Simplify right side
    227,076.12x = 40,982,172,162.34
  5. Step 5: Solve for x
    x = 40,982,172,162.34/227,076.12
  6. Step 6: Final answer
    x = 180,477.68

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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.