Home / 104,195.80-143,792.92-63,886.35

Finding the Fourth Proportional to 104,195.80, 143,792.92 and 63,886.35

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Solution

The fourth proportional to 104,195.80, 143,792.92 and 63,886.35 is: 88,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,195.80 : 143,792.92 = 63,886.35 : x
  2. Step 2: Convert to fraction form
    104,195.80/143,792.92 = 63,886.35/x
  3. Step 3: Cross multiply
    104,195.80x = 143,792.92 × 63,886.35
  4. Step 4: Simplify right side
    104,195.80x = 9,186,405,433.72
  5. Step 5: Solve for x
    x = 9,186,405,433.72/104,195.80
  6. Step 6: Final answer
    x = 88,164.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.