Home / 454,970.82-682,396.75-135,116.10

Finding the Fourth Proportional to 454,970.82, 682,396.75 and 135,116.10

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Solution

The fourth proportional to 454,970.82, 682,396.75 and 135,116.10 is: 202,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,970.82 : 682,396.75 = 135,116.10 : x
  2. Step 2: Convert to fraction form
    454,970.82/682,396.75 = 135,116.10/x
  3. Step 3: Cross multiply
    454,970.82x = 682,396.75 × 135,116.10
  4. Step 4: Simplify right side
    454,970.82x = 92,202,787,681.57
  5. Step 5: Solve for x
    x = 92,202,787,681.57/454,970.82
  6. Step 6: Final answer
    x = 202,656.48

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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.