Home / 178,013.88-267,021.89-72,832.86

Finding the Fourth Proportional to 178,013.88, 267,021.89 and 72,832.86

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Solution

The fourth proportional to 178,013.88, 267,021.89 and 72,832.86 is: 109,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,013.88 : 267,021.89 = 72,832.86 : x
  2. Step 2: Convert to fraction form
    178,013.88/267,021.89 = 72,832.86/x
  3. Step 3: Cross multiply
    178,013.88x = 267,021.89 × 72,832.86
  4. Step 4: Simplify right side
    178,013.88x = 19,447,967,567.14
  5. Step 5: Solve for x
    x = 19,447,967,567.14/178,013.88
  6. Step 6: Final answer
    x = 109,249.73

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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.