Home / 351,738.03-485,565.86-235,651.41

Finding the Fourth Proportional to 351,738.03, 485,565.86 and 235,651.41

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Solution

The fourth proportional to 351,738.03, 485,565.86 and 235,651.41 is: 325,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,738.03 : 485,565.86 = 235,651.41 : x
  2. Step 2: Convert to fraction form
    351,738.03/485,565.86 = 235,651.41/x
  3. Step 3: Cross multiply
    351,738.03x = 485,565.86 × 235,651.41
  4. Step 4: Simplify right side
    351,738.03x = 114,424,278,378.61
  5. Step 5: Solve for x
    x = 114,424,278,378.61/351,738.03
  6. Step 6: Final answer
    x = 325,311.08

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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.