Home / 154,024.56-231,442.92-82,999.98

Finding the Fourth Proportional to 154,024.56, 231,442.92 and 82,999.98

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Solution

The fourth proportional to 154,024.56, 231,442.92 and 82,999.98 is: 124,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,024.56 : 231,442.92 = 82,999.98 : x
  2. Step 2: Convert to fraction form
    154,024.56/231,442.92 = 82,999.98/x
  3. Step 3: Cross multiply
    154,024.56x = 231,442.92 × 82,999.98
  4. Step 4: Simplify right side
    154,024.56x = 19,209,757,731.14
  5. Step 5: Solve for x
    x = 19,209,757,731.14/154,024.56
  6. Step 6: Final answer
    x = 124,718.80

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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.