Home / 129,828.80-194,743.20-46,692.80

Finding the Fourth Proportional to 129,828.80, 194,743.20 and 46,692.80

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Solution

The fourth proportional to 129,828.80, 194,743.20 and 46,692.80 is: 70,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,828.80 : 194,743.20 = 46,692.80 : x
  2. Step 2: Convert to fraction form
    129,828.80/194,743.20 = 46,692.80/x
  3. Step 3: Cross multiply
    129,828.80x = 194,743.20 × 46,692.80
  4. Step 4: Simplify right side
    129,828.80x = 9,093,105,288.96
  5. Step 5: Solve for x
    x = 9,093,105,288.96/129,828.80
  6. Step 6: Final answer
    x = 70,039.20

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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.