Home / 127,668.56-191,503.04-52,706.43

Finding the Fourth Proportional to 127,668.56, 191,503.04 and 52,706.43

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Solution

The fourth proportional to 127,668.56, 191,503.04 and 52,706.43 is: 79,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,668.56 : 191,503.04 = 52,706.43 : x
  2. Step 2: Convert to fraction form
    127,668.56/191,503.04 = 52,706.43/x
  3. Step 3: Cross multiply
    127,668.56x = 191,503.04 × 52,706.43
  4. Step 4: Simplify right side
    127,668.56x = 10,093,441,309.02
  5. Step 5: Solve for x
    x = 10,093,441,309.02/127,668.56
  6. Step 6: Final answer
    x = 79,059.73

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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.