Home / 180,836.88-271,218.26-68,478.35

Finding the Fourth Proportional to 180,836.88, 271,218.26 and 68,478.35

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Solution

The fourth proportional to 180,836.88, 271,218.26 and 68,478.35 is: 102,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,836.88 : 271,218.26 = 68,478.35 : x
  2. Step 2: Convert to fraction form
    180,836.88/271,218.26 = 68,478.35/x
  3. Step 3: Cross multiply
    180,836.88x = 271,218.26 × 68,478.35
  4. Step 4: Simplify right side
    180,836.88x = 18,572,577,236.19
  5. Step 5: Solve for x
    x = 18,572,577,236.19/180,836.88
  6. Step 6: Final answer
    x = 102,703.48

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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.