Home / 331,874.37-457,985.76-180,971.37

Finding the Fourth Proportional to 331,874.37, 457,985.76 and 180,971.37

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Solution

The fourth proportional to 331,874.37, 457,985.76 and 180,971.37 is: 249,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,874.37 : 457,985.76 = 180,971.37 : x
  2. Step 2: Convert to fraction form
    331,874.37/457,985.76 = 180,971.37/x
  3. Step 3: Cross multiply
    331,874.37x = 457,985.76 × 180,971.37
  4. Step 4: Simplify right side
    331,874.37x = 82,882,310,427.69
  5. Step 5: Solve for x
    x = 82,882,310,427.69/331,874.37
  6. Step 6: Final answer
    x = 249,740.02

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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.