Home / 316,992.28-437,494.20-196,172.52

Finding the Fourth Proportional to 316,992.28, 437,494.20 and 196,172.52

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Solution

The fourth proportional to 316,992.28, 437,494.20 and 196,172.52 is: 270,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,992.28 : 437,494.20 = 196,172.52 : x
  2. Step 2: Convert to fraction form
    316,992.28/437,494.20 = 196,172.52/x
  3. Step 3: Cross multiply
    316,992.28x = 437,494.20 × 196,172.52
  4. Step 4: Simplify right side
    316,992.28x = 85,824,339,699.38
  5. Step 5: Solve for x
    x = 85,824,339,699.38/316,992.28
  6. Step 6: Final answer
    x = 270,745.84

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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.