Home / 321,822.12-482,736.72-97,184.46

Finding the Fourth Proportional to 321,822.12, 482,736.72 and 97,184.46

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Solution

The fourth proportional to 321,822.12, 482,736.72 and 97,184.46 is: 145,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,822.12 : 482,736.72 = 97,184.46 : x
  2. Step 2: Convert to fraction form
    321,822.12/482,736.72 = 97,184.46/x
  3. Step 3: Cross multiply
    321,822.12x = 482,736.72 × 97,184.46
  4. Step 4: Simplify right side
    321,822.12x = 46,914,507,455.37
  5. Step 5: Solve for x
    x = 46,914,507,455.37/321,822.12
  6. Step 6: Final answer
    x = 145,777.76

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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.