Home / 175,518.75-263,066.59-80,617.98

Finding the Fourth Proportional to 175,518.75, 263,066.59 and 80,617.98

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Solution

The fourth proportional to 175,518.75, 263,066.59 and 80,617.98 is: 120,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,518.75 : 263,066.59 = 80,617.98 : x
  2. Step 2: Convert to fraction form
    175,518.75/263,066.59 = 80,617.98/x
  3. Step 3: Cross multiply
    175,518.75x = 263,066.59 × 80,617.98
  4. Step 4: Simplify right side
    175,518.75x = 21,207,897,091.29
  5. Step 5: Solve for x
    x = 21,207,897,091.29/175,518.75
  6. Step 6: Final answer
    x = 120,829.81

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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.