Home / 149,983.41-207,029.23-86,346.57

Finding the Fourth Proportional to 149,983.41, 207,029.23 and 86,346.57

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Solution

The fourth proportional to 149,983.41, 207,029.23 and 86,346.57 is: 119,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,983.41 : 207,029.23 = 86,346.57 : x
  2. Step 2: Convert to fraction form
    149,983.41/207,029.23 = 86,346.57/x
  3. Step 3: Cross multiply
    149,983.41x = 207,029.23 × 86,346.57
  4. Step 4: Simplify right side
    149,983.41x = 17,876,263,900.24
  5. Step 5: Solve for x
    x = 17,876,263,900.24/149,983.41
  6. Step 6: Final answer
    x = 119,188.27

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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.