Home / 301,131.60-451,692.18-73,429.20

Finding the Fourth Proportional to 301,131.60, 451,692.18 and 73,429.20

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Solution

The fourth proportional to 301,131.60, 451,692.18 and 73,429.20 is: 110,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,131.60 : 451,692.18 = 73,429.20 : x
  2. Step 2: Convert to fraction form
    301,131.60/451,692.18 = 73,429.20/x
  3. Step 3: Cross multiply
    301,131.60x = 451,692.18 × 73,429.20
  4. Step 4: Simplify right side
    301,131.60x = 33,167,395,423.66
  5. Step 5: Solve for x
    x = 33,167,395,423.66/301,131.60
  6. Step 6: Final answer
    x = 110,142.53

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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.