Home / 132,997.55-183,511.44-79,287.56

Finding the Fourth Proportional to 132,997.55, 183,511.44 and 79,287.56

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Solution

The fourth proportional to 132,997.55, 183,511.44 and 79,287.56 is: 109,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.55 : 183,511.44 = 79,287.56 : x
  2. Step 2: Convert to fraction form
    132,997.55/183,511.44 = 79,287.56/x
  3. Step 3: Cross multiply
    132,997.55x = 183,511.44 × 79,287.56
  4. Step 4: Simplify right side
    132,997.55x = 14,550,174,309.69
  5. Step 5: Solve for x
    x = 14,550,174,309.69/132,997.55
  6. Step 6: Final answer
    x = 109,401.82

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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.