Home / 127,922.88-191,884.80-39,176.04

Finding the Fourth Proportional to 127,922.88, 191,884.80 and 39,176.04

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Solution

The fourth proportional to 127,922.88, 191,884.80 and 39,176.04 is: 58,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,922.88 : 191,884.80 = 39,176.04 : x
  2. Step 2: Convert to fraction form
    127,922.88/191,884.80 = 39,176.04/x
  3. Step 3: Cross multiply
    127,922.88x = 191,884.80 × 39,176.04
  4. Step 4: Simplify right side
    127,922.88x = 7,517,286,600.19
  5. Step 5: Solve for x
    x = 7,517,286,600.19/127,922.88
  6. Step 6: Final answer
    x = 58,764.21

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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.