Home / 136,287.17-204,439.41-42,796.61

Finding the Fourth Proportional to 136,287.17, 204,439.41 and 42,796.61

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Solution

The fourth proportional to 136,287.17, 204,439.41 and 42,796.61 is: 64,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,287.17 : 204,439.41 = 42,796.61 : x
  2. Step 2: Convert to fraction form
    136,287.17/204,439.41 = 42,796.61/x
  3. Step 3: Cross multiply
    136,287.17x = 204,439.41 × 42,796.61
  4. Step 4: Simplify right side
    136,287.17x = 8,749,313,698.40
  5. Step 5: Solve for x
    x = 8,749,313,698.40/136,287.17
  6. Step 6: Final answer
    x = 64,197.63

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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.