Home / 136,020.20-204,097.35-61,193.30

Finding the Fourth Proportional to 136,020.20, 204,097.35 and 61,193.30

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Solution

The fourth proportional to 136,020.20, 204,097.35 and 61,193.30 is: 91,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,020.20 : 204,097.35 = 61,193.30 : x
  2. Step 2: Convert to fraction form
    136,020.20/204,097.35 = 61,193.30/x
  3. Step 3: Cross multiply
    136,020.20x = 204,097.35 × 61,193.30
  4. Step 4: Simplify right side
    136,020.20x = 12,489,390,367.76
  5. Step 5: Solve for x
    x = 12,489,390,367.76/136,020.20
  6. Step 6: Final answer
    x = 91,820.11

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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.