Home / 136,447.20-204,656.56-36,618.08

Finding the Fourth Proportional to 136,447.20, 204,656.56 and 36,618.08

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Solution

The fourth proportional to 136,447.20, 204,656.56 and 36,618.08 is: 54,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,447.20 : 204,656.56 = 36,618.08 : x
  2. Step 2: Convert to fraction form
    136,447.20/204,656.56 = 36,618.08/x
  3. Step 3: Cross multiply
    136,447.20x = 204,656.56 × 36,618.08
  4. Step 4: Simplify right side
    136,447.20x = 7,494,130,286.60
  5. Step 5: Solve for x
    x = 7,494,130,286.60/136,447.20
  6. Step 6: Final answer
    x = 54,923.30

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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.