Home / 170,714.16-256,112.78-56,861.69

Finding the Fourth Proportional to 170,714.16, 256,112.78 and 56,861.69

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Solution

The fourth proportional to 170,714.16, 256,112.78 and 56,861.69 is: 85,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,714.16 : 256,112.78 = 56,861.69 : x
  2. Step 2: Convert to fraction form
    170,714.16/256,112.78 = 56,861.69/x
  3. Step 3: Cross multiply
    170,714.16x = 256,112.78 × 56,861.69
  4. Step 4: Simplify right side
    170,714.16x = 14,563,003,936.53
  5. Step 5: Solve for x
    x = 14,563,003,936.53/170,714.16
  6. Step 6: Final answer
    x = 85,306.36

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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.