Home / 237,078.23-327,199.30-135,140.54

Finding the Fourth Proportional to 237,078.23, 327,199.30 and 135,140.54

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Solution

The fourth proportional to 237,078.23, 327,199.30 and 135,140.54 is: 186,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,078.23 : 327,199.30 = 135,140.54 : x
  2. Step 2: Convert to fraction form
    237,078.23/327,199.30 = 135,140.54/x
  3. Step 3: Cross multiply
    237,078.23x = 327,199.30 × 135,140.54
  4. Step 4: Simplify right side
    237,078.23x = 44,217,888,115.77
  5. Step 5: Solve for x
    x = 44,217,888,115.77/237,078.23
  6. Step 6: Final answer
    x = 186,511.81

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1.5x scale

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.