Home / 278,057.48-383,584.02-164,800.04

Finding the Fourth Proportional to 278,057.48, 383,584.02 and 164,800.04

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Solution

The fourth proportional to 278,057.48, 383,584.02 and 164,800.04 is: 227,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,057.48 : 383,584.02 = 164,800.04 : x
  2. Step 2: Convert to fraction form
    278,057.48/383,584.02 = 164,800.04/x
  3. Step 3: Cross multiply
    278,057.48x = 383,584.02 × 164,800.04
  4. Step 4: Simplify right side
    278,057.48x = 63,214,661,839.36
  5. Step 5: Solve for x
    x = 63,214,661,839.36/278,057.48
  6. Step 6: Final answer
    x = 227,343.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.