Home / 150,274.07-225,053.31-86,960.72

Finding the Fourth Proportional to 150,274.07, 225,053.31 and 86,960.72

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Solution

The fourth proportional to 150,274.07, 225,053.31 and 86,960.72 is: 130,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,274.07 : 225,053.31 = 86,960.72 : x
  2. Step 2: Convert to fraction form
    150,274.07/225,053.31 = 86,960.72/x
  3. Step 3: Cross multiply
    150,274.07x = 225,053.31 × 86,960.72
  4. Step 4: Simplify right side
    150,274.07x = 19,570,798,764.72
  5. Step 5: Solve for x
    x = 19,570,798,764.72/150,274.07
  6. Step 6: Final answer
    x = 130,234.04

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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.