Home / 320,273.12-441,977-175,079.54

Finding the Fourth Proportional to 320,273.12, 441,977 and 175,079.54

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Solution

The fourth proportional to 320,273.12, 441,977 and 175,079.54 is: 241,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,273.12 : 441,977 = 175,079.54 : x
  2. Step 2: Convert to fraction form
    320,273.12/441,977 = 175,079.54/x
  3. Step 3: Cross multiply
    320,273.12x = 441,977 × 175,079.54
  4. Step 4: Simplify right side
    320,273.12x = 77,381,129,850.58
  5. Step 5: Solve for x
    x = 77,381,129,850.58/320,273.12
  6. Step 6: Final answer
    x = 241,609.82

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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.