Home / 215,845.41-323,861.39-115,888.88

Finding the Fourth Proportional to 215,845.41, 323,861.39 and 115,888.88

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Solution

The fourth proportional to 215,845.41, 323,861.39 and 115,888.88 is: 173,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,845.41 : 323,861.39 = 115,888.88 : x
  2. Step 2: Convert to fraction form
    215,845.41/323,861.39 = 115,888.88/x
  3. Step 3: Cross multiply
    215,845.41x = 323,861.39 × 115,888.88
  4. Step 4: Simplify right side
    215,845.41x = 37,531,933,762.34
  5. Step 5: Solve for x
    x = 37,531,933,762.34/215,845.41
  6. Step 6: Final answer
    x = 173,883.40

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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.