Home / 208,966.64-313,310.63-75,829.57

Finding the Fourth Proportional to 208,966.64, 313,310.63 and 75,829.57

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Solution

The fourth proportional to 208,966.64, 313,310.63 and 75,829.57 is: 113,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,966.64 : 313,310.63 = 75,829.57 : x
  2. Step 2: Convert to fraction form
    208,966.64/313,310.63 = 75,829.57/x
  3. Step 3: Cross multiply
    208,966.64x = 313,310.63 × 75,829.57
  4. Step 4: Simplify right side
    208,966.64x = 23,758,209,755.63
  5. Step 5: Solve for x
    x = 23,758,209,755.63/208,966.64
  6. Step 6: Final answer
    x = 113,693.79

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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.