Home / 269,151.87-403,607.83-142,763.35

Finding the Fourth Proportional to 269,151.87, 403,607.83 and 142,763.35

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Solution

The fourth proportional to 269,151.87, 403,607.83 and 142,763.35 is: 214,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,151.87 : 403,607.83 = 142,763.35 : x
  2. Step 2: Convert to fraction form
    269,151.87/403,607.83 = 142,763.35/x
  3. Step 3: Cross multiply
    269,151.87x = 403,607.83 × 142,763.35
  4. Step 4: Simplify right side
    269,151.87x = 57,620,405,897.03
  5. Step 5: Solve for x
    x = 57,620,405,897.03/269,151.87
  6. Step 6: Final answer
    x = 214,081.39

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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.