Home / 316,975.62-437,471.19-196,155.83

Finding the Fourth Proportional to 316,975.62, 437,471.19 and 196,155.83

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Solution

The fourth proportional to 316,975.62, 437,471.19 and 196,155.83 is: 270,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,975.62 : 437,471.19 = 196,155.83 : x
  2. Step 2: Convert to fraction form
    316,975.62/437,471.19 = 196,155.83/x
  3. Step 3: Cross multiply
    316,975.62x = 437,471.19 × 196,155.83
  4. Step 4: Simplify right side
    316,975.62x = 85,812,523,284.28
  5. Step 5: Solve for x
    x = 85,812,523,284.28/316,975.62
  6. Step 6: Final answer
    x = 270,722.79

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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.