Home / 248,311.94-372,406.26-70,820.50

Finding the Fourth Proportional to 248,311.94, 372,406.26 and 70,820.50

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Solution

The fourth proportional to 248,311.94, 372,406.26 and 70,820.50 is: 106,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,311.94 : 372,406.26 = 70,820.50 : x
  2. Step 2: Convert to fraction form
    248,311.94/372,406.26 = 70,820.50/x
  3. Step 3: Cross multiply
    248,311.94x = 372,406.26 × 70,820.50
  4. Step 4: Simplify right side
    248,311.94x = 26,373,997,536.33
  5. Step 5: Solve for x
    x = 26,373,997,536.33/248,311.94
  6. Step 6: Final answer
    x = 106,213.17

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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.