Home / 140,632.37-194,071.97-76,101.56

Finding the Fourth Proportional to 140,632.37, 194,071.97 and 76,101.56

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Solution

The fourth proportional to 140,632.37, 194,071.97 and 76,101.56 is: 105,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,632.37 : 194,071.97 = 76,101.56 : x
  2. Step 2: Convert to fraction form
    140,632.37/194,071.97 = 76,101.56/x
  3. Step 3: Cross multiply
    140,632.37x = 194,071.97 × 76,101.56
  4. Step 4: Simplify right side
    140,632.37x = 14,769,178,318.41
  5. Step 5: Solve for x
    x = 14,769,178,318.41/140,632.37
  6. Step 6: Final answer
    x = 105,019.77

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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.