Home / 316,796.60-437,195.06-196,000.76

Finding the Fourth Proportional to 316,796.60, 437,195.06 and 196,000.76

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Solution

The fourth proportional to 316,796.60, 437,195.06 and 196,000.76 is: 270,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,796.60 : 437,195.06 = 196,000.76 : x
  2. Step 2: Convert to fraction form
    316,796.60/437,195.06 = 196,000.76/x
  3. Step 3: Cross multiply
    316,796.60x = 437,195.06 × 196,000.76
  4. Step 4: Simplify right side
    316,796.60x = 85,690,560,862.27
  5. Step 5: Solve for x
    x = 85,690,560,862.27/316,796.60
  6. Step 6: Final answer
    x = 270,490.79

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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.