Home / 170,236.15-255,124.55-64,997.71

Finding the Fourth Proportional to 170,236.15, 255,124.55 and 64,997.71

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Solution

The fourth proportional to 170,236.15, 255,124.55 and 64,997.71 is: 97,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,236.15 : 255,124.55 = 64,997.71 : x
  2. Step 2: Convert to fraction form
    170,236.15/255,124.55 = 64,997.71/x
  3. Step 3: Cross multiply
    170,236.15x = 255,124.55 × 64,997.71
  4. Step 4: Simplify right side
    170,236.15x = 16,582,511,039.46
  5. Step 5: Solve for x
    x = 16,582,511,039.46/170,236.15
  6. Step 6: Final answer
    x = 97,408.87

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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.