Home / 319,934.60-441,491.92-199,072.04

Finding the Fourth Proportional to 319,934.60, 441,491.92 and 199,072.04

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Solution

The fourth proportional to 319,934.60, 441,491.92 and 199,072.04 is: 274,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,934.60 : 441,491.92 = 199,072.04 : x
  2. Step 2: Convert to fraction form
    319,934.60/441,491.92 = 199,072.04/x
  3. Step 3: Cross multiply
    319,934.60x = 441,491.92 × 199,072.04
  4. Step 4: Simplify right side
    319,934.60x = 87,888,697,157.92
  5. Step 5: Solve for x
    x = 87,888,697,157.92/319,934.60
  6. Step 6: Final answer
    x = 274,708.32

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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.