Home / 136,092.25-187,813.56-75,669.04

Finding the Fourth Proportional to 136,092.25, 187,813.56 and 75,669.04

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Solution

The fourth proportional to 136,092.25, 187,813.56 and 75,669.04 is: 104,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,092.25 : 187,813.56 = 75,669.04 : x
  2. Step 2: Convert to fraction form
    136,092.25/187,813.56 = 75,669.04/x
  3. Step 3: Cross multiply
    136,092.25x = 187,813.56 × 75,669.04
  4. Step 4: Simplify right side
    136,092.25x = 14,211,671,784.18
  5. Step 5: Solve for x
    x = 14,211,671,784.18/136,092.25
  6. Step 6: Final answer
    x = 104,426.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.