Home / 115,692.20-173,246.70-76,034.60

Finding the Fourth Proportional to 115,692.20, 173,246.70 and 76,034.60

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Solution

The fourth proportional to 115,692.20, 173,246.70 and 76,034.60 is: 113,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,692.20 : 173,246.70 = 76,034.60 : x
  2. Step 2: Convert to fraction form
    115,692.20/173,246.70 = 76,034.60/x
  3. Step 3: Cross multiply
    115,692.20x = 173,246.70 × 76,034.60
  4. Step 4: Simplify right side
    115,692.20x = 13,172,743,535.82
  5. Step 5: Solve for x
    x = 13,172,743,535.82/115,692.20
  6. Step 6: Final answer
    x = 113,860.26

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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.