Home / 316,069.53-436,091.85-180,100.58

Finding the Fourth Proportional to 316,069.53, 436,091.85 and 180,100.58

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Solution

The fourth proportional to 316,069.53, 436,091.85 and 180,100.58 is: 248,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,069.53 : 436,091.85 = 180,100.58 : x
  2. Step 2: Convert to fraction form
    316,069.53/436,091.85 = 180,100.58/x
  3. Step 3: Cross multiply
    316,069.53x = 436,091.85 × 180,100.58
  4. Step 4: Simplify right side
    316,069.53x = 78,540,393,708.05
  5. Step 5: Solve for x
    x = 78,540,393,708.05/316,069.53
  6. Step 6: Final answer
    x = 248,490.88

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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.