Home / 175,423.20-263,178-50,776.80

Finding the Fourth Proportional to 175,423.20, 263,178 and 50,776.80

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Solution

The fourth proportional to 175,423.20, 263,178 and 50,776.80 is: 76,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,423.20 : 263,178 = 50,776.80 : x
  2. Step 2: Convert to fraction form
    175,423.20/263,178 = 50,776.80/x
  3. Step 3: Cross multiply
    175,423.20x = 263,178 × 50,776.80
  4. Step 4: Simplify right side
    175,423.20x = 13,363,336,670.40
  5. Step 5: Solve for x
    x = 13,363,336,670.40/175,423.20
  6. Step 6: Final answer
    x = 76,177.70

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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.