Home / 452,287.16-678,439.94-186,013.07

Finding the Fourth Proportional to 452,287.16, 678,439.94 and 186,013.07

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Solution

The fourth proportional to 452,287.16, 678,439.94 and 186,013.07 is: 279,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,287.16 : 678,439.94 = 186,013.07 : x
  2. Step 2: Convert to fraction form
    452,287.16/678,439.94 = 186,013.07/x
  3. Step 3: Cross multiply
    452,287.16x = 678,439.94 × 186,013.07
  4. Step 4: Simplify right side
    452,287.16x = 126,198,691,727.75
  5. Step 5: Solve for x
    x = 126,198,691,727.75/452,287.16
  6. Step 6: Final answer
    x = 279,023.38

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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.