Home / 269,829.90-404,890.65-112,074.30

Finding the Fourth Proportional to 269,829.90, 404,890.65 and 112,074.30

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Solution

The fourth proportional to 269,829.90, 404,890.65 and 112,074.30 is: 168,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,829.90 : 404,890.65 = 112,074.30 : x
  2. Step 2: Convert to fraction form
    269,829.90/404,890.65 = 112,074.30/x
  3. Step 3: Cross multiply
    269,829.90x = 404,890.65 × 112,074.30
  4. Step 4: Simplify right side
    269,829.90x = 45,377,836,175.30
  5. Step 5: Solve for x
    x = 45,377,836,175.30/269,829.90
  6. Step 6: Final answer
    x = 168,172.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.