Home / 264,717.20-396,557.40-159,222.80

Finding the Fourth Proportional to 264,717.20, 396,557.40 and 159,222.80

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Solution

The fourth proportional to 264,717.20, 396,557.40 and 159,222.80 is: 238,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,717.20 : 396,557.40 = 159,222.80 : x
  2. Step 2: Convert to fraction form
    264,717.20/396,557.40 = 159,222.80/x
  3. Step 3: Cross multiply
    264,717.20x = 396,557.40 × 159,222.80
  4. Step 4: Simplify right side
    264,717.20x = 63,140,979,588.72
  5. Step 5: Solve for x
    x = 63,140,979,588.72/264,717.20
  6. Step 6: Final answer
    x = 238,522.39

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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.