Home / 154,416.72-231,622.64-49,234.98

Finding the Fourth Proportional to 154,416.72, 231,622.64 and 49,234.98

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Solution

The fourth proportional to 154,416.72, 231,622.64 and 49,234.98 is: 73,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,416.72 : 231,622.64 = 49,234.98 : x
  2. Step 2: Convert to fraction form
    154,416.72/231,622.64 = 49,234.98/x
  3. Step 3: Cross multiply
    154,416.72x = 231,622.64 × 49,234.98
  4. Step 4: Simplify right side
    154,416.72x = 11,403,936,047.95
  5. Step 5: Solve for x
    x = 11,403,936,047.95/154,416.72
  6. Step 6: Final answer
    x = 73,851.69

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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.