Home / 131,353.09-197,057.30-42,599.67

Finding the Fourth Proportional to 131,353.09, 197,057.30 and 42,599.67

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Solution

The fourth proportional to 131,353.09, 197,057.30 and 42,599.67 is: 63,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,353.09 : 197,057.30 = 42,599.67 : x
  2. Step 2: Convert to fraction form
    131,353.09/197,057.30 = 42,599.67/x
  3. Step 3: Cross multiply
    131,353.09x = 197,057.30 × 42,599.67
  4. Step 4: Simplify right side
    131,353.09x = 8,394,576,057.59
  5. Step 5: Solve for x
    x = 8,394,576,057.59/131,353.09
  6. Step 6: Final answer
    x = 63,908.48

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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.