Home / 451,390.04-677,087.48-135,844.80

Finding the Fourth Proportional to 451,390.04, 677,087.48 and 135,844.80

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Solution

The fourth proportional to 451,390.04, 677,087.48 and 135,844.80 is: 203,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,390.04 : 677,087.48 = 135,844.80 : x
  2. Step 2: Convert to fraction form
    451,390.04/677,087.48 = 135,844.80/x
  3. Step 3: Cross multiply
    451,390.04x = 677,087.48 × 135,844.80
  4. Step 4: Simplify right side
    451,390.04x = 91,978,813,303.10
  5. Step 5: Solve for x
    x = 91,978,813,303.10/451,390.04
  6. Step 6: Final answer
    x = 203,767.93

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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.