Home / 264,740.55-397,025.49-87,205.29

Finding the Fourth Proportional to 264,740.55, 397,025.49 and 87,205.29

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Solution

The fourth proportional to 264,740.55, 397,025.49 and 87,205.29 is: 130,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,740.55 : 397,025.49 = 87,205.29 : x
  2. Step 2: Convert to fraction form
    264,740.55/397,025.49 = 87,205.29/x
  3. Step 3: Cross multiply
    264,740.55x = 397,025.49 × 87,205.29
  4. Step 4: Simplify right side
    264,740.55x = 34,622,722,992.84
  5. Step 5: Solve for x
    x = 34,622,722,992.84/264,740.55
  6. Step 6: Final answer
    x = 130,779.83

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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.