Home / 320,925.60-442,893.68-177,701.44

Finding the Fourth Proportional to 320,925.60, 442,893.68 and 177,701.44

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Solution

The fourth proportional to 320,925.60, 442,893.68 and 177,701.44 is: 245,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,925.60 : 442,893.68 = 177,701.44 : x
  2. Step 2: Convert to fraction form
    320,925.60/442,893.68 = 177,701.44/x
  3. Step 3: Cross multiply
    320,925.60x = 442,893.68 × 177,701.44
  4. Step 4: Simplify right side
    320,925.60x = 78,702,844,702.90
  5. Step 5: Solve for x
    x = 78,702,844,702.90/320,925.60
  6. Step 6: Final answer
    x = 245,237.04

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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.