Home / 136,014.55-204,021.83-108,020.95

Finding the Fourth Proportional to 136,014.55, 204,021.83 and 108,020.95

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Solution

The fourth proportional to 136,014.55, 204,021.83 and 108,020.95 is: 162,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,014.55 : 204,021.83 = 108,020.95 : x
  2. Step 2: Convert to fraction form
    136,014.55/204,021.83 = 108,020.95/x
  3. Step 3: Cross multiply
    136,014.55x = 204,021.83 × 108,020.95
  4. Step 4: Simplify right side
    136,014.55x = 22,038,631,357.23
  5. Step 5: Solve for x
    x = 22,038,631,357.23/136,014.55
  6. Step 6: Final answer
    x = 162,031.43

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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.