Home / 236,429.24-354,644.24-78,659.04

Finding the Fourth Proportional to 236,429.24, 354,644.24 and 78,659.04

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Solution

The fourth proportional to 236,429.24, 354,644.24 and 78,659.04 is: 117,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,429.24 : 354,644.24 = 78,659.04 : x
  2. Step 2: Convert to fraction form
    236,429.24/354,644.24 = 78,659.04/x
  3. Step 3: Cross multiply
    236,429.24x = 354,644.24 × 78,659.04
  4. Step 4: Simplify right side
    236,429.24x = 27,895,975,459.93
  5. Step 5: Solve for x
    x = 27,895,975,459.93/236,429.24
  6. Step 6: Final answer
    x = 117,988.69

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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.