Home / 195,721.76-293,137-116,672.65

Finding the Fourth Proportional to 195,721.76, 293,137 and 116,672.65

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Solution

The fourth proportional to 195,721.76, 293,137 and 116,672.65 is: 174,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,721.76 : 293,137 = 116,672.65 : x
  2. Step 2: Convert to fraction form
    195,721.76/293,137 = 116,672.65/x
  3. Step 3: Cross multiply
    195,721.76x = 293,137 × 116,672.65
  4. Step 4: Simplify right side
    195,721.76x = 34,201,070,603.05
  5. Step 5: Solve for x
    x = 34,201,070,603.05/195,721.76
  6. Step 6: Final answer
    x = 174,743.32

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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.