Home / 307,822.20-461,733.30-208,030.20

Finding the Fourth Proportional to 307,822.20, 461,733.30 and 208,030.20

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Solution

The fourth proportional to 307,822.20, 461,733.30 and 208,030.20 is: 312,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,822.20 : 461,733.30 = 208,030.20 : x
  2. Step 2: Convert to fraction form
    307,822.20/461,733.30 = 208,030.20/x
  3. Step 3: Cross multiply
    307,822.20x = 461,733.30 × 208,030.20
  4. Step 4: Simplify right side
    307,822.20x = 96,054,470,745.66
  5. Step 5: Solve for x
    x = 96,054,470,745.66/307,822.20
  6. Step 6: Final answer
    x = 312,045.30

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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.