Home / 303,646.24-419,029.68-167,688.64

Finding the Fourth Proportional to 303,646.24, 419,029.68 and 167,688.64

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Solution

The fourth proportional to 303,646.24, 419,029.68 and 167,688.64 is: 231,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,646.24 : 419,029.68 = 167,688.64 : x
  2. Step 2: Convert to fraction form
    303,646.24/419,029.68 = 167,688.64/x
  3. Step 3: Cross multiply
    303,646.24x = 419,029.68 × 167,688.64
  4. Step 4: Simplify right side
    303,646.24x = 70,266,517,158.84
  5. Step 5: Solve for x
    x = 70,266,517,158.84/303,646.24
  6. Step 6: Final answer
    x = 231,409.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.