Home / 150,742.32-208,023.51-82,760.41

Finding the Fourth Proportional to 150,742.32, 208,023.51 and 82,760.41

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Solution

The fourth proportional to 150,742.32, 208,023.51 and 82,760.41 is: 114,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,742.32 : 208,023.51 = 82,760.41 : x
  2. Step 2: Convert to fraction form
    150,742.32/208,023.51 = 82,760.41/x
  3. Step 3: Cross multiply
    150,742.32x = 208,023.51 × 82,760.41
  4. Step 4: Simplify right side
    150,742.32x = 17,216,110,977.24
  5. Step 5: Solve for x
    x = 17,216,110,977.24/150,742.32
  6. Step 6: Final answer
    x = 114,208.88

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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.