Home / 320,039.05-441,647.53-176,797.75

Finding the Fourth Proportional to 320,039.05, 441,647.53 and 176,797.75

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Solution

The fourth proportional to 320,039.05, 441,647.53 and 176,797.75 is: 243,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,039.05 : 441,647.53 = 176,797.75 : x
  2. Step 2: Convert to fraction form
    320,039.05/441,647.53 = 176,797.75/x
  3. Step 3: Cross multiply
    320,039.05x = 441,647.53 × 176,797.75
  4. Step 4: Simplify right side
    320,039.05x = 78,082,289,597.06
  5. Step 5: Solve for x
    x = 78,082,289,597.06/320,039.05
  6. Step 6: Final answer
    x = 243,977.38

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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.