Home / 245,481.12-367,920.16-127,084.96

Finding the Fourth Proportional to 245,481.12, 367,920.16 and 127,084.96

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Solution

The fourth proportional to 245,481.12, 367,920.16 and 127,084.96 is: 190,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,481.12 : 367,920.16 = 127,084.96 : x
  2. Step 2: Convert to fraction form
    245,481.12/367,920.16 = 127,084.96/x
  3. Step 3: Cross multiply
    245,481.12x = 367,920.16 × 127,084.96
  4. Step 4: Simplify right side
    245,481.12x = 46,757,118,816.79
  5. Step 5: Solve for x
    x = 46,757,118,816.79/245,481.12
  6. Step 6: Final answer
    x = 190,471.34

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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.