Home / 175,621.70-263,432.55-105,464.90

Finding the Fourth Proportional to 175,621.70, 263,432.55 and 105,464.90

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Solution

The fourth proportional to 175,621.70, 263,432.55 and 105,464.90 is: 158,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,621.70 : 263,432.55 = 105,464.90 : x
  2. Step 2: Convert to fraction form
    175,621.70/263,432.55 = 105,464.90/x
  3. Step 3: Cross multiply
    175,621.70x = 263,432.55 × 105,464.90
  4. Step 4: Simplify right side
    175,621.70x = 27,782,887,542.50
  5. Step 5: Solve for x
    x = 27,782,887,542.50/175,621.70
  6. Step 6: Final answer
    x = 158,197.35

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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.