Home / 150,515.64-207,713.91-82,538.82

Finding the Fourth Proportional to 150,515.64, 207,713.91 and 82,538.82

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Solution

The fourth proportional to 150,515.64, 207,713.91 and 82,538.82 is: 113,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,515.64 : 207,713.91 = 82,538.82 : x
  2. Step 2: Convert to fraction form
    150,515.64/207,713.91 = 82,538.82/x
  3. Step 3: Cross multiply
    150,515.64x = 207,713.91 × 82,538.82
  4. Step 4: Simplify right side
    150,515.64x = 17,144,461,028.99
  5. Step 5: Solve for x
    x = 17,144,461,028.99/150,515.64
  6. Step 6: Final answer
    x = 113,904.85

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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.