Home / 140,586.24-194,013.20-76,928.36

Finding the Fourth Proportional to 140,586.24, 194,013.20 and 76,928.36

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Solution

The fourth proportional to 140,586.24, 194,013.20 and 76,928.36 is: 106,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,586.24 : 194,013.20 = 76,928.36 : x
  2. Step 2: Convert to fraction form
    140,586.24/194,013.20 = 76,928.36/x
  3. Step 3: Cross multiply
    140,586.24x = 194,013.20 × 76,928.36
  4. Step 4: Simplify right side
    140,586.24x = 14,925,117,294.35
  5. Step 5: Solve for x
    x = 14,925,117,294.35/140,586.24
  6. Step 6: Final answer
    x = 106,163.43

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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.