Home / 140,585.37-194,007.60-76,923.15

Finding the Fourth Proportional to 140,585.37, 194,007.60 and 76,923.15

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Solution

The fourth proportional to 140,585.37, 194,007.60 and 76,923.15 is: 106,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,585.37 : 194,007.60 = 76,923.15 : x
  2. Step 2: Convert to fraction form
    140,585.37/194,007.60 = 76,923.15/x
  3. Step 3: Cross multiply
    140,585.37x = 194,007.60 × 76,923.15
  4. Step 4: Simplify right side
    140,585.37x = 14,923,675,715.94
  5. Step 5: Solve for x
    x = 14,923,675,715.94/140,585.37
  6. Step 6: Final answer
    x = 106,153.83

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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.