Home / 140,653.42-194,101.92-76,995.24

Finding the Fourth Proportional to 140,653.42, 194,101.92 and 76,995.24

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Solution

The fourth proportional to 140,653.42, 194,101.92 and 76,995.24 is: 106,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,653.42 : 194,101.92 = 76,995.24 : x
  2. Step 2: Convert to fraction form
    140,653.42/194,101.92 = 76,995.24/x
  3. Step 3: Cross multiply
    140,653.42x = 194,101.92 × 76,995.24
  4. Step 4: Simplify right side
    140,653.42x = 14,944,923,914.86
  5. Step 5: Solve for x
    x = 14,944,923,914.86/140,653.42
  6. Step 6: Final answer
    x = 106,253.54

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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.