Home / 150,932.34-208,274.49-87,274.26

Finding the Fourth Proportional to 150,932.34, 208,274.49 and 87,274.26

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Solution

The fourth proportional to 150,932.34, 208,274.49 and 87,274.26 is: 120,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,932.34 : 208,274.49 = 87,274.26 : x
  2. Step 2: Convert to fraction form
    150,932.34/208,274.49 = 87,274.26/x
  3. Step 3: Cross multiply
    150,932.34x = 208,274.49 × 87,274.26
  4. Step 4: Simplify right side
    150,932.34x = 18,177,001,991.63
  5. Step 5: Solve for x
    x = 18,177,001,991.63/150,932.34
  6. Step 6: Final answer
    x = 120,431.46

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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.