Home / 215,733.97-323,746.75-75,493.81

Finding the Fourth Proportional to 215,733.97, 323,746.75 and 75,493.81

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Solution

The fourth proportional to 215,733.97, 323,746.75 and 75,493.81 is: 113,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,733.97 : 323,746.75 = 75,493.81 : x
  2. Step 2: Convert to fraction form
    215,733.97/323,746.75 = 75,493.81/x
  3. Step 3: Cross multiply
    215,733.97x = 323,746.75 × 75,493.81
  4. Step 4: Simplify right side
    215,733.97x = 24,440,874,013.88
  5. Step 5: Solve for x
    x = 24,440,874,013.88/215,733.97
  6. Step 6: Final answer
    x = 113,291.73

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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.