Home / 451,943.20-677,914.80-114,983.20

Finding the Fourth Proportional to 451,943.20, 677,914.80 and 114,983.20

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Solution

The fourth proportional to 451,943.20, 677,914.80 and 114,983.20 is: 172,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,943.20 : 677,914.80 = 114,983.20 : x
  2. Step 2: Convert to fraction form
    451,943.20/677,914.80 = 114,983.20/x
  3. Step 3: Cross multiply
    451,943.20x = 677,914.80 × 114,983.20
  4. Step 4: Simplify right side
    451,943.20x = 77,948,813,031.36
  5. Step 5: Solve for x
    x = 77,948,813,031.36/451,943.20
  6. Step 6: Final answer
    x = 172,474.80

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1.5x scale

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.