Home / 316,357.27-436,571.12-171,162.56

Finding the Fourth Proportional to 316,357.27, 436,571.12 and 171,162.56

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Solution

The fourth proportional to 316,357.27, 436,571.12 and 171,162.56 is: 236,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,357.27 : 436,571.12 = 171,162.56 : x
  2. Step 2: Convert to fraction form
    316,357.27/436,571.12 = 171,162.56/x
  3. Step 3: Cross multiply
    316,357.27x = 436,571.12 × 171,162.56
  4. Step 4: Simplify right side
    316,357.27x = 74,724,632,040.60
  5. Step 5: Solve for x
    x = 74,724,632,040.60/316,357.27
  6. Step 6: Final answer
    x = 236,203.30

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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.