Home / 127,893.35-191,833.20-39,146.91

Finding the Fourth Proportional to 127,893.35, 191,833.20 and 39,146.91

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Solution

The fourth proportional to 127,893.35, 191,833.20 and 39,146.91 is: 58,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,893.35 : 191,833.20 = 39,146.91 : x
  2. Step 2: Convert to fraction form
    127,893.35/191,833.20 = 39,146.91/x
  3. Step 3: Cross multiply
    127,893.35x = 191,833.20 × 39,146.91
  4. Step 4: Simplify right side
    127,893.35x = 7,509,677,015.41
  5. Step 5: Solve for x
    x = 7,509,677,015.41/127,893.35
  6. Step 6: Final answer
    x = 58,718.28

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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.