Home / 452,118.16-678,183.72-136,577.80

Finding the Fourth Proportional to 452,118.16, 678,183.72 and 136,577.80

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Solution

The fourth proportional to 452,118.16, 678,183.72 and 136,577.80 is: 204,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,118.16 : 678,183.72 = 136,577.80 : x
  2. Step 2: Convert to fraction form
    452,118.16/678,183.72 = 136,577.80/x
  3. Step 3: Cross multiply
    452,118.16x = 678,183.72 × 136,577.80
  4. Step 4: Simplify right side
    452,118.16x = 92,624,840,473.42
  5. Step 5: Solve for x
    x = 92,624,840,473.42/452,118.16
  6. Step 6: Final answer
    x = 204,868.66

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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.