Home / 152,236.10-228,104.84-81,083.22

Finding the Fourth Proportional to 152,236.10, 228,104.84 and 81,083.22

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Solution

The fourth proportional to 152,236.10, 228,104.84 and 81,083.22 is: 121,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,236.10 : 228,104.84 = 81,083.22 : x
  2. Step 2: Convert to fraction form
    152,236.10/228,104.84 = 81,083.22/x
  3. Step 3: Cross multiply
    152,236.10x = 228,104.84 × 81,083.22
  4. Step 4: Simplify right side
    152,236.10x = 18,495,474,924.78
  5. Step 5: Solve for x
    x = 18,495,474,924.78/152,236.10
  6. Step 6: Final answer
    x = 121,492.04

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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.