Home / 102,212.12-153,269.52-35,644.04

Finding the Fourth Proportional to 102,212.12, 153,269.52 and 35,644.04

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Solution

The fourth proportional to 102,212.12, 153,269.52 and 35,644.04 is: 53,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.12 : 153,269.52 = 35,644.04 : x
  2. Step 2: Convert to fraction form
    102,212.12/153,269.52 = 35,644.04/x
  3. Step 3: Cross multiply
    102,212.12x = 153,269.52 × 35,644.04
  4. Step 4: Simplify right side
    102,212.12x = 5,463,144,901.66
  5. Step 5: Solve for x
    x = 5,463,144,901.66/102,212.12
  6. Step 6: Final answer
    x = 53,449.09

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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.