Home / 136,554.22-204,786.99-52,309.90

Finding the Fourth Proportional to 136,554.22, 204,786.99 and 52,309.90

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Solution

The fourth proportional to 136,554.22, 204,786.99 and 52,309.90 is: 78,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,554.22 : 204,786.99 = 52,309.90 : x
  2. Step 2: Convert to fraction form
    136,554.22/204,786.99 = 52,309.90/x
  3. Step 3: Cross multiply
    136,554.22x = 204,786.99 × 52,309.90
  4. Step 4: Simplify right side
    136,554.22x = 10,712,386,968.20
  5. Step 5: Solve for x
    x = 10,712,386,968.20/136,554.22
  6. Step 6: Final answer
    x = 78,447.86

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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.