Home / 193,246.63-289,734.12-85,124.70

Finding the Fourth Proportional to 193,246.63, 289,734.12 and 85,124.70

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Solution

The fourth proportional to 193,246.63, 289,734.12 and 85,124.70 is: 127,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,246.63 : 289,734.12 = 85,124.70 : x
  2. Step 2: Convert to fraction form
    193,246.63/289,734.12 = 85,124.70/x
  3. Step 3: Cross multiply
    193,246.63x = 289,734.12 × 85,124.70
  4. Step 4: Simplify right side
    193,246.63x = 24,663,530,044.76
  5. Step 5: Solve for x
    x = 24,663,530,044.76/193,246.63
  6. Step 6: Final answer
    x = 127,627.22

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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.