Home / 250,087.50-345,121.02-136,910.52

Finding the Fourth Proportional to 250,087.50, 345,121.02 and 136,910.52

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Solution

The fourth proportional to 250,087.50, 345,121.02 and 136,910.52 is: 188,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,087.50 : 345,121.02 = 136,910.52 : x
  2. Step 2: Convert to fraction form
    250,087.50/345,121.02 = 136,910.52/x
  3. Step 3: Cross multiply
    250,087.50x = 345,121.02 × 136,910.52
  4. Step 4: Simplify right side
    250,087.50x = 47,250,698,311.13
  5. Step 5: Solve for x
    x = 47,250,698,311.13/250,087.50
  6. Step 6: Final answer
    x = 188,936.67

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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.