Home / 320,025.54-441,619-176,757.90

Finding the Fourth Proportional to 320,025.54, 441,619 and 176,757.90

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Solution

The fourth proportional to 320,025.54, 441,619 and 176,757.90 is: 243,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,025.54 : 441,619 = 176,757.90 : x
  2. Step 2: Convert to fraction form
    320,025.54/441,619 = 176,757.90/x
  3. Step 3: Cross multiply
    320,025.54x = 441,619 × 176,757.90
  4. Step 4: Simplify right side
    320,025.54x = 78,059,647,040.10
  5. Step 5: Solve for x
    x = 78,059,647,040.10/320,025.54
  6. Step 6: Final answer
    x = 243,916.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.