Home / 127,651.26-191,505.75-42,261.96

Finding the Fourth Proportional to 127,651.26, 191,505.75 and 42,261.96

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Solution

The fourth proportional to 127,651.26, 191,505.75 and 42,261.96 is: 63,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,651.26 : 191,505.75 = 42,261.96 : x
  2. Step 2: Convert to fraction form
    127,651.26/191,505.75 = 42,261.96/x
  3. Step 3: Cross multiply
    127,651.26x = 191,505.75 × 42,261.96
  4. Step 4: Simplify right side
    127,651.26x = 8,093,408,346.27
  5. Step 5: Solve for x
    x = 8,093,408,346.27/127,651.26
  6. Step 6: Final answer
    x = 63,402.49

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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.