Home / 317,113.11-474,736.55-211,670.55

Finding the Fourth Proportional to 317,113.11, 474,736.55 and 211,670.55

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Solution

The fourth proportional to 317,113.11, 474,736.55 and 211,670.55 is: 316,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,113.11 : 474,736.55 = 211,670.55 : x
  2. Step 2: Convert to fraction form
    317,113.11/474,736.55 = 211,670.55/x
  3. Step 3: Cross multiply
    317,113.11x = 474,736.55 × 211,670.55
  4. Step 4: Simplify right side
    317,113.11x = 100,487,745,585.25
  5. Step 5: Solve for x
    x = 100,487,745,585.25/317,113.11
  6. Step 6: Final answer
    x = 316,882.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.