Home / 331,911.36-458,097.38-195,937.34

Finding the Fourth Proportional to 331,911.36, 458,097.38 and 195,937.34

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Solution

The fourth proportional to 331,911.36, 458,097.38 and 195,937.34 is: 270,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,911.36 : 458,097.38 = 195,937.34 : x
  2. Step 2: Convert to fraction form
    331,911.36/458,097.38 = 195,937.34/x
  3. Step 3: Cross multiply
    331,911.36x = 458,097.38 × 195,937.34
  4. Step 4: Simplify right side
    331,911.36x = 89,758,378,828.00
  5. Step 5: Solve for x
    x = 89,758,378,828.00/331,911.36
  6. Step 6: Final answer
    x = 270,428.76

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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.