Home / 116,125.88-160,287.82-75,845.80

Finding the Fourth Proportional to 116,125.88, 160,287.82 and 75,845.80

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Solution

The fourth proportional to 116,125.88, 160,287.82 and 75,845.80 is: 104,689.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,125.88 : 160,287.82 = 75,845.80 : x
  2. Step 2: Convert to fraction form
    116,125.88/160,287.82 = 75,845.80/x
  3. Step 3: Cross multiply
    116,125.88x = 160,287.82 × 75,845.80
  4. Step 4: Simplify right side
    116,125.88x = 12,157,157,938.16
  5. Step 5: Solve for x
    x = 12,157,157,938.16/116,125.88
  6. Step 6: Final answer
    x = 104,689.48

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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.