Home / 131,313.48-196,989.66-48,201

Finding the Fourth Proportional to 131,313.48, 196,989.66 and 48,201

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Solution

The fourth proportional to 131,313.48, 196,989.66 and 48,201 is: 72,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,313.48 : 196,989.66 = 48,201 : x
  2. Step 2: Convert to fraction form
    131,313.48/196,989.66 = 48,201/x
  3. Step 3: Cross multiply
    131,313.48x = 196,989.66 × 48,201
  4. Step 4: Simplify right side
    131,313.48x = 9,495,098,601.66
  5. Step 5: Solve for x
    x = 9,495,098,601.66/131,313.48
  6. Step 6: Final answer
    x = 72,308.64

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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.