Home / 254,070.38-381,105.54-67,083.50

Finding the Fourth Proportional to 254,070.38, 381,105.54 and 67,083.50

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Solution

The fourth proportional to 254,070.38, 381,105.54 and 67,083.50 is: 100,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,070.38 : 381,105.54 = 67,083.50 : x
  2. Step 2: Convert to fraction form
    254,070.38/381,105.54 = 67,083.50/x
  3. Step 3: Cross multiply
    254,070.38x = 381,105.54 × 67,083.50
  4. Step 4: Simplify right side
    254,070.38x = 25,565,893,492.59
  5. Step 5: Solve for x
    x = 25,565,893,492.59/254,070.38
  6. Step 6: Final answer
    x = 100,625.24

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1.5x scale

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.