Home / 268,627.10-402,801.93-79,062.80

Finding the Fourth Proportional to 268,627.10, 402,801.93 and 79,062.80

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Solution

The fourth proportional to 268,627.10, 402,801.93 and 79,062.80 is: 118,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,627.10 : 402,801.93 = 79,062.80 : x
  2. Step 2: Convert to fraction form
    268,627.10/402,801.93 = 79,062.80/x
  3. Step 3: Cross multiply
    268,627.10x = 402,801.93 × 79,062.80
  4. Step 4: Simplify right side
    268,627.10x = 31,846,648,431.20
  5. Step 5: Solve for x
    x = 31,846,648,431.20/268,627.10
  6. Step 6: Final answer
    x = 118,553.37

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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.