Home / 218,414.03-327,699.89-76,280.24

Finding the Fourth Proportional to 218,414.03, 327,699.89 and 76,280.24

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Solution

The fourth proportional to 218,414.03, 327,699.89 and 76,280.24 is: 114,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,414.03 : 327,699.89 = 76,280.24 : x
  2. Step 2: Convert to fraction form
    218,414.03/327,699.89 = 76,280.24/x
  3. Step 3: Cross multiply
    218,414.03x = 327,699.89 × 76,280.24
  4. Step 4: Simplify right side
    218,414.03x = 24,997,024,809.37
  5. Step 5: Solve for x
    x = 24,997,024,809.37/218,414.03
  6. Step 6: Final answer
    x = 114,447.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.