Home / 396,373.30-594,538.72-140,188.12

Finding the Fourth Proportional to 396,373.30, 594,538.72 and 140,188.12

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Solution

The fourth proportional to 396,373.30, 594,538.72 and 140,188.12 is: 210,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,373.30 : 594,538.72 = 140,188.12 : x
  2. Step 2: Convert to fraction form
    396,373.30/594,538.72 = 140,188.12/x
  3. Step 3: Cross multiply
    396,373.30x = 594,538.72 × 140,188.12
  4. Step 4: Simplify right side
    396,373.30x = 83,347,263,587.19
  5. Step 5: Solve for x
    x = 83,347,263,587.19/396,373.30
  6. Step 6: Final answer
    x = 210,274.67

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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.