Home / 331,730.63-457,788.27-180,827.63

Finding the Fourth Proportional to 331,730.63, 457,788.27 and 180,827.63

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Solution

The fourth proportional to 331,730.63, 457,788.27 and 180,827.63 is: 249,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,730.63 : 457,788.27 = 180,827.63 : x
  2. Step 2: Convert to fraction form
    331,730.63/457,788.27 = 180,827.63/x
  3. Step 3: Cross multiply
    331,730.63x = 457,788.27 × 180,827.63
  4. Step 4: Simplify right side
    331,730.63x = 82,780,767,905.90
  5. Step 5: Solve for x
    x = 82,780,767,905.90/331,730.63
  6. Step 6: Final answer
    x = 249,542.13

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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.