Home / 307,068.75-460,539.61-82,375.92

Finding the Fourth Proportional to 307,068.75, 460,539.61 and 82,375.92

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Solution

The fourth proportional to 307,068.75, 460,539.61 and 82,375.92 is: 123,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,068.75 : 460,539.61 = 82,375.92 : x
  2. Step 2: Convert to fraction form
    307,068.75/460,539.61 = 82,375.92/x
  3. Step 3: Cross multiply
    307,068.75x = 460,539.61 × 82,375.92
  4. Step 4: Simplify right side
    307,068.75x = 37,937,373,864.25
  5. Step 5: Solve for x
    x = 37,937,373,864.25/307,068.75
  6. Step 6: Final answer
    x = 123,546.84

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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.