Home / 264,957.24-397,351.56-87,431.16

Finding the Fourth Proportional to 264,957.24, 397,351.56 and 87,431.16

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Solution

The fourth proportional to 264,957.24, 397,351.56 and 87,431.16 is: 131,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,957.24 : 397,351.56 = 87,431.16 : x
  2. Step 2: Convert to fraction form
    264,957.24/397,351.56 = 87,431.16/x
  3. Step 3: Cross multiply
    264,957.24x = 397,351.56 × 87,431.16
  4. Step 4: Simplify right side
    264,957.24x = 34,740,907,818.61
  5. Step 5: Solve for x
    x = 34,740,907,818.61/264,957.24
  6. Step 6: Final answer
    x = 131,118.92

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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.