Home / 127,824.57-191,393.93-71,504.29

Finding the Fourth Proportional to 127,824.57, 191,393.93 and 71,504.29

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Solution

The fourth proportional to 127,824.57, 191,393.93 and 71,504.29 is: 107,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824.57 : 191,393.93 = 71,504.29 : x
  2. Step 2: Convert to fraction form
    127,824.57/191,393.93 = 71,504.29/x
  3. Step 3: Cross multiply
    127,824.57x = 191,393.93 × 71,504.29
  4. Step 4: Simplify right side
    127,824.57x = 13,685,487,074.96
  5. Step 5: Solve for x
    x = 13,685,487,074.96/127,824.57
  6. Step 6: Final answer
    x = 107,064.60

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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.