Home / 251,412.76-377,119-73,921.24

Finding the Fourth Proportional to 251,412.76, 377,119 and 73,921.24

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Solution

The fourth proportional to 251,412.76, 377,119 and 73,921.24 is: 110,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,412.76 : 377,119 = 73,921.24 : x
  2. Step 2: Convert to fraction form
    251,412.76/377,119 = 73,921.24/x
  3. Step 3: Cross multiply
    251,412.76x = 377,119 × 73,921.24
  4. Step 4: Simplify right side
    251,412.76x = 27,877,104,107.56
  5. Step 5: Solve for x
    x = 27,877,104,107.56/251,412.76
  6. Step 6: Final answer
    x = 110,881.82

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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.