Home / 264,955.24-397,348.56-87,429.16

Finding the Fourth Proportional to 264,955.24, 397,348.56 and 87,429.16

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Solution

The fourth proportional to 264,955.24, 397,348.56 and 87,429.16 is: 131,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,955.24 : 397,348.56 = 87,429.16 : x
  2. Step 2: Convert to fraction form
    264,955.24/397,348.56 = 87,429.16/x
  3. Step 3: Cross multiply
    264,955.24x = 397,348.56 × 87,429.16
  4. Step 4: Simplify right side
    264,955.24x = 34,739,850,828.01
  5. Step 5: Solve for x
    x = 34,739,850,828.01/264,955.24
  6. Step 6: Final answer
    x = 131,115.92

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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.