Home / 219,059.13-328,589.37-61,288.95

Finding the Fourth Proportional to 219,059.13, 328,589.37 and 61,288.95

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Solution

The fourth proportional to 219,059.13, 328,589.37 and 61,288.95 is: 91,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,059.13 : 328,589.37 = 61,288.95 : x
  2. Step 2: Convert to fraction form
    219,059.13/328,589.37 = 61,288.95/x
  3. Step 3: Cross multiply
    219,059.13x = 328,589.37 × 61,288.95
  4. Step 4: Simplify right side
    219,059.13x = 20,138,897,468.46
  5. Step 5: Solve for x
    x = 20,138,897,468.46/219,059.13
  6. Step 6: Final answer
    x = 91,933.61

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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.