Home / 451,384.04-677,078.48-135,838.80

Finding the Fourth Proportional to 451,384.04, 677,078.48 and 135,838.80

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Solution

The fourth proportional to 451,384.04, 677,078.48 and 135,838.80 is: 203,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,384.04 : 677,078.48 = 135,838.80 : x
  2. Step 2: Convert to fraction form
    451,384.04/677,078.48 = 135,838.80/x
  3. Step 3: Cross multiply
    451,384.04x = 677,078.48 × 135,838.80
  4. Step 4: Simplify right side
    451,384.04x = 91,973,528,229.02
  5. Step 5: Solve for x
    x = 91,973,528,229.02/451,384.04
  6. Step 6: Final answer
    x = 203,758.93

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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.