Home / 307,840.16-461,806.40-108,125.34

Finding the Fourth Proportional to 307,840.16, 461,806.40 and 108,125.34

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Solution

The fourth proportional to 307,840.16, 461,806.40 and 108,125.34 is: 162,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,840.16 : 461,806.40 = 108,125.34 : x
  2. Step 2: Convert to fraction form
    307,840.16/461,806.40 = 108,125.34/x
  3. Step 3: Cross multiply
    307,840.16x = 461,806.40 × 108,125.34
  4. Step 4: Simplify right side
    307,840.16x = 49,932,974,014.18
  5. Step 5: Solve for x
    x = 49,932,974,014.18/307,840.16
  6. Step 6: Final answer
    x = 162,204.22

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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.