Home / 245,151.85-366,936.80-126,660.19

Finding the Fourth Proportional to 245,151.85, 366,936.80 and 126,660.19

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Solution

The fourth proportional to 245,151.85, 366,936.80 and 126,660.19 is: 189,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,151.85 : 366,936.80 = 126,660.19 : x
  2. Step 2: Convert to fraction form
    245,151.85/366,936.80 = 126,660.19/x
  3. Step 3: Cross multiply
    245,151.85x = 366,936.80 × 126,660.19
  4. Step 4: Simplify right side
    245,151.85x = 46,476,284,805.99
  5. Step 5: Solve for x
    x = 46,476,284,805.99/245,151.85
  6. Step 6: Final answer
    x = 189,581.62

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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.