Home / 281,768.12-388,879.83-174,372.74

Finding the Fourth Proportional to 281,768.12, 388,879.83 and 174,372.74

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Solution

The fourth proportional to 281,768.12, 388,879.83 and 174,372.74 is: 240,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,768.12 : 388,879.83 = 174,372.74 : x
  2. Step 2: Convert to fraction form
    281,768.12/388,879.83 = 174,372.74/x
  3. Step 3: Cross multiply
    281,768.12x = 388,879.83 × 174,372.74
  4. Step 4: Simplify right side
    281,768.12x = 67,810,041,487.83
  5. Step 5: Solve for x
    x = 67,810,041,487.83/281,768.12
  6. Step 6: Final answer
    x = 240,659.03

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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.