Home / 145,456.88-218,208.56-50,714.33

Finding the Fourth Proportional to 145,456.88, 218,208.56 and 50,714.33

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Solution

The fourth proportional to 145,456.88, 218,208.56 and 50,714.33 is: 76,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,456.88 : 218,208.56 = 50,714.33 : x
  2. Step 2: Convert to fraction form
    145,456.88/218,208.56 = 50,714.33/x
  3. Step 3: Cross multiply
    145,456.88x = 218,208.56 × 50,714.33
  4. Step 4: Simplify right side
    145,456.88x = 11,066,299,576.05
  5. Step 5: Solve for x
    x = 11,066,299,576.05/145,456.88
  6. Step 6: Final answer
    x = 76,079.59

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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.