Home / 307,521.56-461,285.40-107,846.84

Finding the Fourth Proportional to 307,521.56, 461,285.40 and 107,846.84

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Solution

The fourth proportional to 307,521.56, 461,285.40 and 107,846.84 is: 161,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,521.56 : 461,285.40 = 107,846.84 : x
  2. Step 2: Convert to fraction form
    307,521.56/461,285.40 = 107,846.84/x
  3. Step 3: Cross multiply
    307,521.56x = 461,285.40 × 107,846.84
  4. Step 4: Simplify right side
    307,521.56x = 49,748,172,728.14
  5. Step 5: Solve for x
    x = 49,748,172,728.14/307,521.56
  6. Step 6: Final answer
    x = 161,771.33

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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.