Home / 331,669.16-457,715.68-188,453.48

Finding the Fourth Proportional to 331,669.16, 457,715.68 and 188,453.48

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Solution

The fourth proportional to 331,669.16, 457,715.68 and 188,453.48 is: 260,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,669.16 : 457,715.68 = 188,453.48 : x
  2. Step 2: Convert to fraction form
    331,669.16/457,715.68 = 188,453.48/x
  3. Step 3: Cross multiply
    331,669.16x = 457,715.68 × 188,453.48
  4. Step 4: Simplify right side
    331,669.16x = 86,258,112,746.57
  5. Step 5: Solve for x
    x = 86,258,112,746.57/331,669.16
  6. Step 6: Final answer
    x = 260,072.76

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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.