Home / 175,772.75-263,671.55-87,002.42

Finding the Fourth Proportional to 175,772.75, 263,671.55 and 87,002.42

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Solution

The fourth proportional to 175,772.75, 263,671.55 and 87,002.42 is: 130,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,772.75 : 263,671.55 = 87,002.42 : x
  2. Step 2: Convert to fraction form
    175,772.75/263,671.55 = 87,002.42/x
  3. Step 3: Cross multiply
    175,772.75x = 263,671.55 × 87,002.42
  4. Step 4: Simplify right side
    175,772.75x = 22,940,063,816.83
  5. Step 5: Solve for x
    x = 22,940,063,816.83/175,772.75
  6. Step 6: Final answer
    x = 130,509.78

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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.