Home / 219,336.06-328,954.92-100,893.66

Finding the Fourth Proportional to 219,336.06, 328,954.92 and 100,893.66

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Solution

The fourth proportional to 219,336.06, 328,954.92 and 100,893.66 is: 151,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,336.06 : 328,954.92 = 100,893.66 : x
  2. Step 2: Convert to fraction form
    219,336.06/328,954.92 = 100,893.66/x
  3. Step 3: Cross multiply
    219,336.06x = 328,954.92 × 100,893.66
  4. Step 4: Simplify right side
    219,336.06x = 33,189,465,853.81
  5. Step 5: Solve for x
    x = 33,189,465,853.81/219,336.06
  6. Step 6: Final answer
    x = 151,317.87

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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.