Home / 151,231.20-208,699.88-83,255.04

Finding the Fourth Proportional to 151,231.20, 208,699.88 and 83,255.04

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Solution

The fourth proportional to 151,231.20, 208,699.88 and 83,255.04 is: 114,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,231.20 : 208,699.88 = 83,255.04 : x
  2. Step 2: Convert to fraction form
    151,231.20/208,699.88 = 83,255.04/x
  3. Step 3: Cross multiply
    151,231.20x = 208,699.88 × 83,255.04
  4. Step 4: Simplify right side
    151,231.20x = 17,375,316,857.40
  5. Step 5: Solve for x
    x = 17,375,316,857.40/151,231.20
  6. Step 6: Final answer
    x = 114,892.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.