Home / 114,958.26-158,533.20-76,126.86

Finding the Fourth Proportional to 114,958.26, 158,533.20 and 76,126.86

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Solution

The fourth proportional to 114,958.26, 158,533.20 and 76,126.86 is: 104,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,958.26 : 158,533.20 = 76,126.86 : x
  2. Step 2: Convert to fraction form
    114,958.26/158,533.20 = 76,126.86/x
  3. Step 3: Cross multiply
    114,958.26x = 158,533.20 × 76,126.86
  4. Step 4: Simplify right side
    114,958.26x = 12,068,634,721.75
  5. Step 5: Solve for x
    x = 12,068,634,721.75/114,958.26
  6. Step 6: Final answer
    x = 104,982.75

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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.