Home / 175,947.78-263,881.20-104,890.50

Finding the Fourth Proportional to 175,947.78, 263,881.20 and 104,890.50

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Solution

The fourth proportional to 175,947.78, 263,881.20 and 104,890.50 is: 157,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,947.78 : 263,881.20 = 104,890.50 : x
  2. Step 2: Convert to fraction form
    175,947.78/263,881.20 = 104,890.50/x
  3. Step 3: Cross multiply
    175,947.78x = 263,881.20 × 104,890.50
  4. Step 4: Simplify right side
    175,947.78x = 27,678,631,008.60
  5. Step 5: Solve for x
    x = 27,678,631,008.60/175,947.78
  6. Step 6: Final answer
    x = 157,311.62

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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.