Home / 175,403.78-263,102.03-70,194.50

Finding the Fourth Proportional to 175,403.78, 263,102.03 and 70,194.50

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Solution

The fourth proportional to 175,403.78, 263,102.03 and 70,194.50 is: 105,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,403.78 : 263,102.03 = 70,194.50 : x
  2. Step 2: Convert to fraction form
    175,403.78/263,102.03 = 70,194.50/x
  3. Step 3: Cross multiply
    175,403.78x = 263,102.03 × 70,194.50
  4. Step 4: Simplify right side
    175,403.78x = 18,468,315,093.86
  5. Step 5: Solve for x
    x = 18,468,315,093.86/175,403.78
  6. Step 6: Final answer
    x = 105,290.29

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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.