Home / 175,430.73-263,178.56-55,517.86

Finding the Fourth Proportional to 175,430.73, 263,178.56 and 55,517.86

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Solution

The fourth proportional to 175,430.73, 263,178.56 and 55,517.86 is: 83,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,430.73 : 263,178.56 = 55,517.86 : x
  2. Step 2: Convert to fraction form
    175,430.73/263,178.56 = 55,517.86/x
  3. Step 3: Cross multiply
    175,430.73x = 263,178.56 × 55,517.86
  4. Step 4: Simplify right side
    175,430.73x = 14,611,109,513.55
  5. Step 5: Solve for x
    x = 14,611,109,513.55/175,430.73
  6. Step 6: Final answer
    x = 83,287.06

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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.