Home / 327,038.37-451,272.35-189,240.98

Finding the Fourth Proportional to 327,038.37, 451,272.35 and 189,240.98

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Solution

The fourth proportional to 327,038.37, 451,272.35 and 189,240.98 is: 261,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,038.37 : 451,272.35 = 189,240.98 : x
  2. Step 2: Convert to fraction form
    327,038.37/451,272.35 = 189,240.98/x
  3. Step 3: Cross multiply
    327,038.37x = 451,272.35 × 189,240.98
  4. Step 4: Simplify right side
    327,038.37x = 85,399,218,558.34
  5. Step 5: Solve for x
    x = 85,399,218,558.34/327,038.37
  6. Step 6: Final answer
    x = 261,129.05

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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.