Home / 307,216.40-461,032.14-107,538.44

Finding the Fourth Proportional to 307,216.40, 461,032.14 and 107,538.44

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Solution

The fourth proportional to 307,216.40, 461,032.14 and 107,538.44 is: 161,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,216.40 : 461,032.14 = 107,538.44 : x
  2. Step 2: Convert to fraction form
    307,216.40/461,032.14 = 107,538.44/x
  3. Step 3: Cross multiply
    307,216.40x = 461,032.14 × 107,538.44
  4. Step 4: Simplify right side
    307,216.40x = 49,578,677,125.46
  5. Step 5: Solve for x
    x = 49,578,677,125.46/307,216.40
  6. Step 6: Final answer
    x = 161,380.31

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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.