Home / 163,819.48-245,764.28-92,775.70

Finding the Fourth Proportional to 163,819.48, 245,764.28 and 92,775.70

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Solution

The fourth proportional to 163,819.48, 245,764.28 and 92,775.70 is: 139,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,819.48 : 245,764.28 = 92,775.70 : x
  2. Step 2: Convert to fraction form
    163,819.48/245,764.28 = 92,775.70/x
  3. Step 3: Cross multiply
    163,819.48x = 245,764.28 × 92,775.70
  4. Step 4: Simplify right side
    163,819.48x = 22,800,951,746.85
  5. Step 5: Solve for x
    x = 22,800,951,746.85/163,819.48
  6. Step 6: Final answer
    x = 139,183.40

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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.