Home / 194,578.64-268,517.13-113,988.86

Finding the Fourth Proportional to 194,578.64, 268,517.13 and 113,988.86

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Solution

The fourth proportional to 194,578.64, 268,517.13 and 113,988.86 is: 157,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,578.64 : 268,517.13 = 113,988.86 : x
  2. Step 2: Convert to fraction form
    194,578.64/268,517.13 = 113,988.86/x
  3. Step 3: Cross multiply
    194,578.64x = 268,517.13 × 113,988.86
  4. Step 4: Simplify right side
    194,578.64x = 30,607,961,539.17
  5. Step 5: Solve for x
    x = 30,607,961,539.17/194,578.64
  6. Step 6: Final answer
    x = 157,303.81

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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.