Home / 116,541.21-160,824.78-68,147.76

Finding the Fourth Proportional to 116,541.21, 160,824.78 and 68,147.76

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Solution

The fourth proportional to 116,541.21, 160,824.78 and 68,147.76 is: 94,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,541.21 : 160,824.78 = 68,147.76 : x
  2. Step 2: Convert to fraction form
    116,541.21/160,824.78 = 68,147.76/x
  3. Step 3: Cross multiply
    116,541.21x = 160,824.78 × 68,147.76
  4. Step 4: Simplify right side
    116,541.21x = 10,959,848,509.49
  5. Step 5: Solve for x
    x = 10,959,848,509.49/116,541.21
  6. Step 6: Final answer
    x = 94,042.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.