Home / 264,579.20-397,257.60-159,603.20

Finding the Fourth Proportional to 264,579.20, 397,257.60 and 159,603.20

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Solution

The fourth proportional to 264,579.20, 397,257.60 and 159,603.20 is: 239,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,579.20 : 397,257.60 = 159,603.20 : x
  2. Step 2: Convert to fraction form
    264,579.20/397,257.60 = 159,603.20/x
  3. Step 3: Cross multiply
    264,579.20x = 397,257.60 × 159,603.20
  4. Step 4: Simplify right side
    264,579.20x = 63,403,584,184.32
  5. Step 5: Solve for x
    x = 63,403,584,184.32/264,579.20
  6. Step 6: Final answer
    x = 239,639.34

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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.