Home / 251,444.18-377,178.08-82,979.22

Finding the Fourth Proportional to 251,444.18, 377,178.08 and 82,979.22

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Solution

The fourth proportional to 251,444.18, 377,178.08 and 82,979.22 is: 124,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,444.18 : 377,178.08 = 82,979.22 : x
  2. Step 2: Convert to fraction form
    251,444.18/377,178.08 = 82,979.22/x
  3. Step 3: Cross multiply
    251,444.18x = 377,178.08 × 82,979.22
  4. Step 4: Simplify right side
    251,444.18x = 31,297,942,879.50
  5. Step 5: Solve for x
    x = 31,297,942,879.50/251,444.18
  6. Step 6: Final answer
    x = 124,472.73

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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.