Home / 331,669.17-457,715.69-188,453.47

Finding the Fourth Proportional to 331,669.17, 457,715.69 and 188,453.47

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Solution

The fourth proportional to 331,669.17, 457,715.69 and 188,453.47 is: 260,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,669.17 : 457,715.69 = 188,453.47 : x
  2. Step 2: Convert to fraction form
    331,669.17/457,715.69 = 188,453.47/x
  3. Step 3: Cross multiply
    331,669.17x = 457,715.69 × 188,453.47
  4. Step 4: Simplify right side
    331,669.17x = 86,258,110,053.94
  5. Step 5: Solve for x
    x = 86,258,110,053.94/331,669.17
  6. Step 6: Final answer
    x = 260,072.74

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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.