Home / 178,217.45-245,930.68-101,733.50

Finding the Fourth Proportional to 178,217.45, 245,930.68 and 101,733.50

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Solution

The fourth proportional to 178,217.45, 245,930.68 and 101,733.50 is: 140,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,217.45 : 245,930.68 = 101,733.50 : x
  2. Step 2: Convert to fraction form
    178,217.45/245,930.68 = 101,733.50/x
  3. Step 3: Cross multiply
    178,217.45x = 245,930.68 × 101,733.50
  4. Step 4: Simplify right side
    178,217.45x = 25,019,388,833.78
  5. Step 5: Solve for x
    x = 25,019,388,833.78/178,217.45
  6. Step 6: Final answer
    x = 140,386.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.