Home / 218,095.91-327,196.14-105,644.69

Finding the Fourth Proportional to 218,095.91, 327,196.14 and 105,644.69

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Solution

The fourth proportional to 218,095.91, 327,196.14 and 105,644.69 is: 158,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,095.91 : 327,196.14 = 105,644.69 : x
  2. Step 2: Convert to fraction form
    218,095.91/327,196.14 = 105,644.69/x
  3. Step 3: Cross multiply
    218,095.91x = 327,196.14 × 105,644.69
  4. Step 4: Simplify right side
    218,095.91x = 34,566,535,201.32
  5. Step 5: Solve for x
    x = 34,566,535,201.32/218,095.91
  6. Step 6: Final answer
    x = 158,492.36

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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.