Home / 272,954.32-376,677.72-158,255.20

Finding the Fourth Proportional to 272,954.32, 376,677.72 and 158,255.20

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Solution

The fourth proportional to 272,954.32, 376,677.72 and 158,255.20 is: 218,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,954.32 : 376,677.72 = 158,255.20 : x
  2. Step 2: Convert to fraction form
    272,954.32/376,677.72 = 158,255.20/x
  3. Step 3: Cross multiply
    272,954.32x = 376,677.72 × 158,255.20
  4. Step 4: Simplify right side
    272,954.32x = 59,611,207,914.14
  5. Step 5: Solve for x
    x = 59,611,207,914.14/272,954.32
  6. Step 6: Final answer
    x = 218,392.62

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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.