Home / 452,043.12-678,168.24-195,918.66

Finding the Fourth Proportional to 452,043.12, 678,168.24 and 195,918.66

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Solution

The fourth proportional to 452,043.12, 678,168.24 and 195,918.66 is: 293,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,043.12 : 678,168.24 = 195,918.66 : x
  2. Step 2: Convert to fraction form
    452,043.12/678,168.24 = 195,918.66/x
  3. Step 3: Cross multiply
    452,043.12x = 678,168.24 × 195,918.66
  4. Step 4: Simplify right side
    452,043.12x = 132,865,812,835.36
  5. Step 5: Solve for x
    x = 132,865,812,835.36/452,043.12
  6. Step 6: Final answer
    x = 293,922.87

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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.