Home / 264,764.32-397,257.20-115,130.46

Finding the Fourth Proportional to 264,764.32, 397,257.20 and 115,130.46

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Solution

The fourth proportional to 264,764.32, 397,257.20 and 115,130.46 is: 172,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,764.32 : 397,257.20 = 115,130.46 : x
  2. Step 2: Convert to fraction form
    264,764.32/397,257.20 = 115,130.46/x
  3. Step 3: Cross multiply
    264,764.32x = 397,257.20 × 115,130.46
  4. Step 4: Simplify right side
    264,764.32x = 45,736,404,174.31
  5. Step 5: Solve for x
    x = 45,736,404,174.31/264,764.32
  6. Step 6: Final answer
    x = 172,743.84

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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.