Home / 131,880.56-197,846.76-48,775.28

Finding the Fourth Proportional to 131,880.56, 197,846.76 and 48,775.28

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Solution

The fourth proportional to 131,880.56, 197,846.76 and 48,775.28 is: 73,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,880.56 : 197,846.76 = 48,775.28 : x
  2. Step 2: Convert to fraction form
    131,880.56/197,846.76 = 48,775.28/x
  3. Step 3: Cross multiply
    131,880.56x = 197,846.76 × 48,775.28
  4. Step 4: Simplify right side
    131,880.56x = 9,650,031,116.09
  5. Step 5: Solve for x
    x = 9,650,031,116.09/131,880.56
  6. Step 6: Final answer
    x = 73,172.51

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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.