Home / 329,281.03-454,407.87-178,378.03

Finding the Fourth Proportional to 329,281.03, 454,407.87 and 178,378.03

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Solution

The fourth proportional to 329,281.03, 454,407.87 and 178,378.03 is: 246,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,281.03 : 454,407.87 = 178,378.03 : x
  2. Step 2: Convert to fraction form
    329,281.03/454,407.87 = 178,378.03/x
  3. Step 3: Cross multiply
    329,281.03x = 454,407.87 × 178,378.03
  4. Step 4: Simplify right side
    329,281.03x = 81,056,380,667.10
  5. Step 5: Solve for x
    x = 81,056,380,667.10/329,281.03
  6. Step 6: Final answer
    x = 246,161.71

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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.