Home / 129,923.60-194,950.20-73,806.80

Finding the Fourth Proportional to 129,923.60, 194,950.20 and 73,806.80

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Solution

The fourth proportional to 129,923.60, 194,950.20 and 73,806.80 is: 110,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,923.60 : 194,950.20 = 73,806.80 : x
  2. Step 2: Convert to fraction form
    129,923.60/194,950.20 = 73,806.80/x
  3. Step 3: Cross multiply
    129,923.60x = 194,950.20 × 73,806.80
  4. Step 4: Simplify right side
    129,923.60x = 14,388,650,421.36
  5. Step 5: Solve for x
    x = 14,388,650,421.36/129,923.60
  6. Step 6: Final answer
    x = 110,747.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.