Home / 331,822.90-457,916.06-180,919.90

Finding the Fourth Proportional to 331,822.90, 457,916.06 and 180,919.90

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Solution

The fourth proportional to 331,822.90, 457,916.06 and 180,919.90 is: 249,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,822.90 : 457,916.06 = 180,919.90 : x
  2. Step 2: Convert to fraction form
    331,822.90/457,916.06 = 180,919.90/x
  3. Step 3: Cross multiply
    331,822.90x = 457,916.06 × 180,919.90
  4. Step 4: Simplify right side
    331,822.90x = 82,846,127,783.59
  5. Step 5: Solve for x
    x = 82,846,127,783.59/331,822.90
  6. Step 6: Final answer
    x = 249,669.71

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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.