Home / 131,453.10-197,199.45-48,340.62

Finding the Fourth Proportional to 131,453.10, 197,199.45 and 48,340.62

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Solution

The fourth proportional to 131,453.10, 197,199.45 and 48,340.62 is: 72,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,453.10 : 197,199.45 = 48,340.62 : x
  2. Step 2: Convert to fraction form
    131,453.10/197,199.45 = 48,340.62/x
  3. Step 3: Cross multiply
    131,453.10x = 197,199.45 × 48,340.62
  4. Step 4: Simplify right side
    131,453.10x = 9,532,743,676.66
  5. Step 5: Solve for x
    x = 9,532,743,676.66/131,453.10
  6. Step 6: Final answer
    x = 72,518.21

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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.