Home / 214,132.04-321,088.71-79,189.28

Finding the Fourth Proportional to 214,132.04, 321,088.71 and 79,189.28

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Solution

The fourth proportional to 214,132.04, 321,088.71 and 79,189.28 is: 118,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,132.04 : 321,088.71 = 79,189.28 : x
  2. Step 2: Convert to fraction form
    214,132.04/321,088.71 = 79,189.28/x
  3. Step 3: Cross multiply
    214,132.04x = 321,088.71 × 79,189.28
  4. Step 4: Simplify right side
    214,132.04x = 25,426,782,562.36
  5. Step 5: Solve for x
    x = 25,426,782,562.36/214,132.04
  6. Step 6: Final answer
    x = 118,743.48

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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.