Home / 103,195.12-142,410.84-60,173.44

Finding the Fourth Proportional to 103,195.12, 142,410.84 and 60,173.44

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Solution

The fourth proportional to 103,195.12, 142,410.84 and 60,173.44 is: 83,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,195.12 : 142,410.84 = 60,173.44 : x
  2. Step 2: Convert to fraction form
    103,195.12/142,410.84 = 60,173.44/x
  3. Step 3: Cross multiply
    103,195.12x = 142,410.84 × 60,173.44
  4. Step 4: Simplify right side
    103,195.12x = 8,569,350,136.09
  5. Step 5: Solve for x
    x = 8,569,350,136.09/103,195.12
  6. Step 6: Final answer
    x = 83,040.27

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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.