Home / 127,540.94-191,344.28-52,672.64

Finding the Fourth Proportional to 127,540.94, 191,344.28 and 52,672.64

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Solution

The fourth proportional to 127,540.94, 191,344.28 and 52,672.64 is: 79,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,540.94 : 191,344.28 = 52,672.64 : x
  2. Step 2: Convert to fraction form
    127,540.94/191,344.28 = 52,672.64/x
  3. Step 3: Cross multiply
    127,540.94x = 191,344.28 × 52,672.64
  4. Step 4: Simplify right side
    127,540.94x = 10,078,607,156.41
  5. Step 5: Solve for x
    x = 10,078,607,156.41/127,540.94
  6. Step 6: Final answer
    x = 79,022.53

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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.