Home / 140,715.24-194,187.33-76,185.15

Finding the Fourth Proportional to 140,715.24, 194,187.33 and 76,185.15

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Solution

The fourth proportional to 140,715.24, 194,187.33 and 76,185.15 is: 105,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,715.24 : 194,187.33 = 76,185.15 : x
  2. Step 2: Convert to fraction form
    140,715.24/194,187.33 = 76,185.15/x
  3. Step 3: Cross multiply
    140,715.24x = 194,187.33 × 76,185.15
  4. Step 4: Simplify right side
    140,715.24x = 14,794,190,864.15
  5. Step 5: Solve for x
    x = 14,794,190,864.15/140,715.24
  6. Step 6: Final answer
    x = 105,135.67

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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.