Home / 396,125.14-546,722.55-235,069

Finding the Fourth Proportional to 396,125.14, 546,722.55 and 235,069

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Solution

The fourth proportional to 396,125.14, 546,722.55 and 235,069 is: 324,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,125.14 : 546,722.55 = 235,069 : x
  2. Step 2: Convert to fraction form
    396,125.14/546,722.55 = 235,069/x
  3. Step 3: Cross multiply
    396,125.14x = 546,722.55 × 235,069
  4. Step 4: Simplify right side
    396,125.14x = 128,517,523,105.95
  5. Step 5: Solve for x
    x = 128,517,523,105.95/396,125.14
  6. Step 6: Final answer
    x = 324,436.67

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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.