Home / 228,570.45-315,420.24-126,591.85

Finding the Fourth Proportional to 228,570.45, 315,420.24 and 126,591.85

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Solution

The fourth proportional to 228,570.45, 315,420.24 and 126,591.85 is: 174,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,570.45 : 315,420.24 = 126,591.85 : x
  2. Step 2: Convert to fraction form
    228,570.45/315,420.24 = 126,591.85/x
  3. Step 3: Cross multiply
    228,570.45x = 315,420.24 × 126,591.85
  4. Step 4: Simplify right side
    228,570.45x = 39,929,631,709.04
  5. Step 5: Solve for x
    x = 39,929,631,709.04/228,570.45
  6. Step 6: Final answer
    x = 174,692.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.