Home / 118,131.90-177,271.60-48,011.20

Finding the Fourth Proportional to 118,131.90, 177,271.60 and 48,011.20

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Solution

The fourth proportional to 118,131.90, 177,271.60 and 48,011.20 is: 72,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,131.90 : 177,271.60 = 48,011.20 : x
  2. Step 2: Convert to fraction form
    118,131.90/177,271.60 = 48,011.20/x
  3. Step 3: Cross multiply
    118,131.90x = 177,271.60 × 48,011.20
  4. Step 4: Simplify right side
    118,131.90x = 8,511,022,241.92
  5. Step 5: Solve for x
    x = 8,511,022,241.92/118,131.90
  6. Step 6: Final answer
    x = 72,046.77

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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.