Home / 136,451.50-204,684.54-42,964.54

Finding the Fourth Proportional to 136,451.50, 204,684.54 and 42,964.54

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Solution

The fourth proportional to 136,451.50, 204,684.54 and 42,964.54 is: 64,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,451.50 : 204,684.54 = 42,964.54 : x
  2. Step 2: Convert to fraction form
    136,451.50/204,684.54 = 42,964.54/x
  3. Step 3: Cross multiply
    136,451.50x = 204,684.54 × 42,964.54
  4. Step 4: Simplify right side
    136,451.50x = 8,794,177,106.21
  5. Step 5: Solve for x
    x = 8,794,177,106.21/136,451.50
  6. Step 6: Final answer
    x = 64,449.11

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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.