Home / 140,879.08-194,411.97-77,216.73

Finding the Fourth Proportional to 140,879.08, 194,411.97 and 77,216.73

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Solution

The fourth proportional to 140,879.08, 194,411.97 and 77,216.73 is: 106,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,879.08 : 194,411.97 = 77,216.73 : x
  2. Step 2: Convert to fraction form
    140,879.08/194,411.97 = 77,216.73/x
  3. Step 3: Cross multiply
    140,879.08x = 194,411.97 × 77,216.73
  4. Step 4: Simplify right side
    140,879.08x = 15,011,856,596.26
  5. Step 5: Solve for x
    x = 15,011,856,596.26/140,879.08
  6. Step 6: Final answer
    x = 106,558.45

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1.5x scale

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.