Home / 219,026.18-328,841.82-151,391.61

Finding the Fourth Proportional to 219,026.18, 328,841.82 and 151,391.61

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Solution

The fourth proportional to 219,026.18, 328,841.82 and 151,391.61 is: 227,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.18 : 328,841.82 = 151,391.61 : x
  2. Step 2: Convert to fraction form
    219,026.18/328,841.82 = 151,391.61/x
  3. Step 3: Cross multiply
    219,026.18x = 328,841.82 × 151,391.61
  4. Step 4: Simplify right side
    219,026.18x = 49,783,892,565.13
  5. Step 5: Solve for x
    x = 49,783,892,565.13/219,026.18
  6. Step 6: Final answer
    x = 227,296.54

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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.