Home / 277,505.26-382,638.02-205,013.04

Finding the Fourth Proportional to 277,505.26, 382,638.02 and 205,013.04

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Solution

The fourth proportional to 277,505.26, 382,638.02 and 205,013.04 is: 282,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,505.26 : 382,638.02 = 205,013.04 : x
  2. Step 2: Convert to fraction form
    277,505.26/382,638.02 = 205,013.04/x
  3. Step 3: Cross multiply
    277,505.26x = 382,638.02 × 205,013.04
  4. Step 4: Simplify right side
    277,505.26x = 78,445,783,699.78
  5. Step 5: Solve for x
    x = 78,445,783,699.78/277,505.26
  6. Step 6: Final answer
    x = 282,682.15

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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.