Home / 129,684.48-194,526.40-50,743.36

Finding the Fourth Proportional to 129,684.48, 194,526.40 and 50,743.36

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Solution

The fourth proportional to 129,684.48, 194,526.40 and 50,743.36 is: 76,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,684.48 : 194,526.40 = 50,743.36 : x
  2. Step 2: Convert to fraction form
    129,684.48/194,526.40 = 50,743.36/x
  3. Step 3: Cross multiply
    129,684.48x = 194,526.40 × 50,743.36
  4. Step 4: Simplify right side
    129,684.48x = 9,870,923,144.70
  5. Step 5: Solve for x
    x = 9,870,923,144.70/129,684.48
  6. Step 6: Final answer
    x = 76,114.91

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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.