Home / 136,136.31-204,226.29-47,415.03

Finding the Fourth Proportional to 136,136.31, 204,226.29 and 47,415.03

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Solution

The fourth proportional to 136,136.31, 204,226.29 and 47,415.03 is: 71,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,136.31 : 204,226.29 = 47,415.03 : x
  2. Step 2: Convert to fraction form
    136,136.31/204,226.29 = 47,415.03/x
  3. Step 3: Cross multiply
    136,136.31x = 204,226.29 × 47,415.03
  4. Step 4: Simplify right side
    136,136.31x = 9,683,395,667.14
  5. Step 5: Solve for x
    x = 9,683,395,667.14/136,136.31
  6. Step 6: Final answer
    x = 71,130.15

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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.