Home / 397,112.42-548,094.85-235,936.45

Finding the Fourth Proportional to 397,112.42, 548,094.85 and 235,936.45

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Solution

The fourth proportional to 397,112.42, 548,094.85 and 235,936.45 is: 325,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,112.42 : 548,094.85 = 235,936.45 : x
  2. Step 2: Convert to fraction form
    397,112.42/548,094.85 = 235,936.45/x
  3. Step 3: Cross multiply
    397,112.42x = 548,094.85 × 235,936.45
  4. Step 4: Simplify right side
    397,112.42x = 129,315,551,511.67
  5. Step 5: Solve for x
    x = 129,315,551,511.67/397,112.42
  6. Step 6: Final answer
    x = 325,639.65

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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.