Home / 355,296.12-490,309.87-194,151.17

Finding the Fourth Proportional to 355,296.12, 490,309.87 and 194,151.17

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Solution

The fourth proportional to 355,296.12, 490,309.87 and 194,151.17 is: 267,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,296.12 : 490,309.87 = 194,151.17 : x
  2. Step 2: Convert to fraction form
    355,296.12/490,309.87 = 194,151.17/x
  3. Step 3: Cross multiply
    355,296.12x = 490,309.87 × 194,151.17
  4. Step 4: Simplify right side
    355,296.12x = 95,194,234,923.05
  5. Step 5: Solve for x
    x = 95,194,234,923.05/355,296.12
  6. Step 6: Final answer
    x = 267,929.28

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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.