Home / 207,217.86-285,977.19-116,568.39

Finding the Fourth Proportional to 207,217.86, 285,977.19 and 116,568.39

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Solution

The fourth proportional to 207,217.86, 285,977.19 and 116,568.39 is: 160,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,217.86 : 285,977.19 = 116,568.39 : x
  2. Step 2: Convert to fraction form
    207,217.86/285,977.19 = 116,568.39/x
  3. Step 3: Cross multiply
    207,217.86x = 285,977.19 × 116,568.39
  4. Step 4: Simplify right side
    207,217.86x = 33,335,900,615.02
  5. Step 5: Solve for x
    x = 33,335,900,615.02/207,217.86
  6. Step 6: Final answer
    x = 160,873.68

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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.