Home / 216,288.03-323,996.99-107,890.59

Finding the Fourth Proportional to 216,288.03, 323,996.99 and 107,890.59

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Solution

The fourth proportional to 216,288.03, 323,996.99 and 107,890.59 is: 161,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,288.03 : 323,996.99 = 107,890.59 : x
  2. Step 2: Convert to fraction form
    216,288.03/323,996.99 = 107,890.59/x
  3. Step 3: Cross multiply
    216,288.03x = 323,996.99 × 107,890.59
  4. Step 4: Simplify right side
    216,288.03x = 34,956,225,869.87
  5. Step 5: Solve for x
    x = 34,956,225,869.87/216,288.03
  6. Step 6: Final answer
    x = 161,618.86

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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.