Home / 175,915.15-263,947.45-87,170.34

Finding the Fourth Proportional to 175,915.15, 263,947.45 and 87,170.34

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Solution

The fourth proportional to 175,915.15, 263,947.45 and 87,170.34 is: 130,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,915.15 : 263,947.45 = 87,170.34 : x
  2. Step 2: Convert to fraction form
    175,915.15/263,947.45 = 87,170.34/x
  3. Step 3: Cross multiply
    175,915.15x = 263,947.45 × 87,170.34
  4. Step 4: Simplify right side
    175,915.15x = 23,008,388,958.63
  5. Step 5: Solve for x
    x = 23,008,388,958.63/175,915.15
  6. Step 6: Final answer
    x = 130,792.54

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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.