Home / 136,112.88-204,153.12-36,280.56

Finding the Fourth Proportional to 136,112.88, 204,153.12 and 36,280.56

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Solution

The fourth proportional to 136,112.88, 204,153.12 and 36,280.56 is: 54,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,112.88 : 204,153.12 = 36,280.56 : x
  2. Step 2: Convert to fraction form
    136,112.88/204,153.12 = 36,280.56/x
  3. Step 3: Cross multiply
    136,112.88x = 204,153.12 × 36,280.56
  4. Step 4: Simplify right side
    136,112.88x = 7,406,789,519.35
  5. Step 5: Solve for x
    x = 7,406,789,519.35/136,112.88
  6. Step 6: Final answer
    x = 54,416.52

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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.