Home / 451,855.24-677,783.73-136,312.45

Finding the Fourth Proportional to 451,855.24, 677,783.73 and 136,312.45

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Solution

The fourth proportional to 451,855.24, 677,783.73 and 136,312.45 is: 204,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,855.24 : 677,783.73 = 136,312.45 : x
  2. Step 2: Convert to fraction form
    451,855.24/677,783.73 = 136,312.45/x
  3. Step 3: Cross multiply
    451,855.24x = 677,783.73 × 136,312.45
  4. Step 4: Simplify right side
    451,855.24x = 92,390,360,806.44
  5. Step 5: Solve for x
    x = 92,390,360,806.44/451,855.24
  6. Step 6: Final answer
    x = 204,468.94

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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.