Home / 215,619.10-323,428.65-184,515.10

Finding the Fourth Proportional to 215,619.10, 323,428.65 and 184,515.10

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Solution

The fourth proportional to 215,619.10, 323,428.65 and 184,515.10 is: 276,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,619.10 : 323,428.65 = 184,515.10 : x
  2. Step 2: Convert to fraction form
    215,619.10/323,428.65 = 184,515.10/x
  3. Step 3: Cross multiply
    215,619.10x = 323,428.65 × 184,515.10
  4. Step 4: Simplify right side
    215,619.10x = 59,677,469,697.62
  5. Step 5: Solve for x
    x = 59,677,469,697.62/215,619.10
  6. Step 6: Final answer
    x = 276,772.65

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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.