Home / 179,796.10-248,123.64-99,229.86

Finding the Fourth Proportional to 179,796.10, 248,123.64 and 99,229.86

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Solution

The fourth proportional to 179,796.10, 248,123.64 and 99,229.86 is: 136,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,796.10 : 248,123.64 = 99,229.86 : x
  2. Step 2: Convert to fraction form
    179,796.10/248,123.64 = 99,229.86/x
  3. Step 3: Cross multiply
    179,796.10x = 248,123.64 × 99,229.86
  4. Step 4: Simplify right side
    179,796.10x = 24,621,274,059.89
  5. Step 5: Solve for x
    x = 24,621,274,059.89/179,796.10
  6. Step 6: Final answer
    x = 136,939.98

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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.