Home / 137,157.68-205,581-58,222.64

Finding the Fourth Proportional to 137,157.68, 205,581 and 58,222.64

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Solution

The fourth proportional to 137,157.68, 205,581 and 58,222.64 is: 87,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,157.68 : 205,581 = 58,222.64 : x
  2. Step 2: Convert to fraction form
    137,157.68/205,581 = 58,222.64/x
  3. Step 3: Cross multiply
    137,157.68x = 205,581 × 58,222.64
  4. Step 4: Simplify right side
    137,157.68x = 11,969,468,553.84
  5. Step 5: Solve for x
    x = 11,969,468,553.84/137,157.68
  6. Step 6: Final answer
    x = 87,267.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.