Home / 254,068.38-381,102.54-67,081.50

Finding the Fourth Proportional to 254,068.38, 381,102.54 and 67,081.50

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Solution

The fourth proportional to 254,068.38, 381,102.54 and 67,081.50 is: 100,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,068.38 : 381,102.54 = 67,081.50 : x
  2. Step 2: Convert to fraction form
    254,068.38/381,102.54 = 67,081.50/x
  3. Step 3: Cross multiply
    254,068.38x = 381,102.54 × 67,081.50
  4. Step 4: Simplify right side
    254,068.38x = 25,564,930,037.01
  5. Step 5: Solve for x
    x = 25,564,930,037.01/254,068.38
  6. Step 6: Final answer
    x = 100,622.24

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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.