Home / 140,622.77-194,059.74-76,964.67

Finding the Fourth Proportional to 140,622.77, 194,059.74 and 76,964.67

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Solution

The fourth proportional to 140,622.77, 194,059.74 and 76,964.67 is: 106,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.77 : 194,059.74 = 76,964.67 : x
  2. Step 2: Convert to fraction form
    140,622.77/194,059.74 = 76,964.67/x
  3. Step 3: Cross multiply
    140,622.77x = 194,059.74 × 76,964.67
  4. Step 4: Simplify right side
    140,622.77x = 14,935,743,849.39
  5. Step 5: Solve for x
    x = 14,935,743,849.39/140,622.77
  6. Step 6: Final answer
    x = 106,211.42

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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.