Home / 127,817.24-191,813.34-68,671.04

Finding the Fourth Proportional to 127,817.24, 191,813.34 and 68,671.04

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Solution

The fourth proportional to 127,817.24, 191,813.34 and 68,671.04 is: 103,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,817.24 : 191,813.34 = 68,671.04 : x
  2. Step 2: Convert to fraction form
    127,817.24/191,813.34 = 68,671.04/x
  3. Step 3: Cross multiply
    127,817.24x = 191,813.34 × 68,671.04
  4. Step 4: Simplify right side
    127,817.24x = 13,172,021,543.67
  5. Step 5: Solve for x
    x = 13,172,021,543.67/127,817.24
  6. Step 6: Final answer
    x = 103,053.56

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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.