Home / 398,020.63-597,029.58-161,362.75

Finding the Fourth Proportional to 398,020.63, 597,029.58 and 161,362.75

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Solution

The fourth proportional to 398,020.63, 597,029.58 and 161,362.75 is: 242,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,020.63 : 597,029.58 = 161,362.75 : x
  2. Step 2: Convert to fraction form
    398,020.63/597,029.58 = 161,362.75/x
  3. Step 3: Cross multiply
    398,020.63x = 597,029.58 × 161,362.75
  4. Step 4: Simplify right side
    398,020.63x = 96,338,334,860.15
  5. Step 5: Solve for x
    x = 96,338,334,860.15/398,020.63
  6. Step 6: Final answer
    x = 242,043.57

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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.