Home / 183,943.32-275,934.42-78,734.04

Finding the Fourth Proportional to 183,943.32, 275,934.42 and 78,734.04

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Solution

The fourth proportional to 183,943.32, 275,934.42 and 78,734.04 is: 118,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,943.32 : 275,934.42 = 78,734.04 : x
  2. Step 2: Convert to fraction form
    183,943.32/275,934.42 = 78,734.04/x
  3. Step 3: Cross multiply
    183,943.32x = 275,934.42 × 78,734.04
  4. Step 4: Simplify right side
    183,943.32x = 21,725,431,661.66
  5. Step 5: Solve for x
    x = 21,725,431,661.66/183,943.32
  6. Step 6: Final answer
    x = 118,109.38

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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.