Home / 127,962.50-176,644.88-82,662.57

Finding the Fourth Proportional to 127,962.50, 176,644.88 and 82,662.57

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Solution

The fourth proportional to 127,962.50, 176,644.88 and 82,662.57 is: 114,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,962.50 : 176,644.88 = 82,662.57 : x
  2. Step 2: Convert to fraction form
    127,962.50/176,644.88 = 82,662.57/x
  3. Step 3: Cross multiply
    127,962.50x = 176,644.88 × 82,662.57
  4. Step 4: Simplify right side
    127,962.50x = 14,601,919,344.83
  5. Step 5: Solve for x
    x = 14,601,919,344.83/127,962.50
  6. Step 6: Final answer
    x = 114,110.93

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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.