Home / 229,976.27-317,327.76-211,373.49

Finding the Fourth Proportional to 229,976.27, 317,327.76 and 211,373.49

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Solution

The fourth proportional to 229,976.27, 317,327.76 and 211,373.49 is: 291,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,976.27 : 317,327.76 = 211,373.49 : x
  2. Step 2: Convert to fraction form
    229,976.27/317,327.76 = 211,373.49/x
  3. Step 3: Cross multiply
    229,976.27x = 317,327.76 × 211,373.49
  4. Step 4: Simplify right side
    229,976.27x = 67,074,676,105.08
  5. Step 5: Solve for x
    x = 67,074,676,105.08/229,976.27
  6. Step 6: Final answer
    x = 291,659.12

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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.