Home / 150,372.03-207,513.39-82,391.58

Finding the Fourth Proportional to 150,372.03, 207,513.39 and 82,391.58

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Solution

The fourth proportional to 150,372.03, 207,513.39 and 82,391.58 is: 113,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,372.03 : 207,513.39 = 82,391.58 : x
  2. Step 2: Convert to fraction form
    150,372.03/207,513.39 = 82,391.58/x
  3. Step 3: Cross multiply
    150,372.03x = 207,513.39 × 82,391.58
  4. Step 4: Simplify right side
    150,372.03x = 17,097,356,073.26
  5. Step 5: Solve for x
    x = 17,097,356,073.26/150,372.03
  6. Step 6: Final answer
    x = 113,700.37

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1.5x scale

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.