Home / 118,157.36-176,819.70-73,805

Finding the Fourth Proportional to 118,157.36, 176,819.70 and 73,805

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Solution

The fourth proportional to 118,157.36, 176,819.70 and 73,805 is: 110,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,157.36 : 176,819.70 = 73,805 : x
  2. Step 2: Convert to fraction form
    118,157.36/176,819.70 = 73,805/x
  3. Step 3: Cross multiply
    118,157.36x = 176,819.70 × 73,805
  4. Step 4: Simplify right side
    118,157.36x = 13,050,177,958.50
  5. Step 5: Solve for x
    x = 13,050,177,958.50/118,157.36
  6. Step 6: Final answer
    x = 110,447.44

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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.