Home / 179,890.24-248,256.84-99,329.20

Finding the Fourth Proportional to 179,890.24, 248,256.84 and 99,329.20

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Solution

The fourth proportional to 179,890.24, 248,256.84 and 99,329.20 is: 137,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,890.24 : 248,256.84 = 99,329.20 : x
  2. Step 2: Convert to fraction form
    179,890.24/248,256.84 = 99,329.20/x
  3. Step 3: Cross multiply
    179,890.24x = 248,256.84 × 99,329.20
  4. Step 4: Simplify right side
    179,890.24x = 24,659,153,311.73
  5. Step 5: Solve for x
    x = 24,659,153,311.73/179,890.24
  6. Step 6: Final answer
    x = 137,078.88

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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.