Home / 151,377.25-208,900.61-84,309.25

Finding the Fourth Proportional to 151,377.25, 208,900.61 and 84,309.25

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Solution

The fourth proportional to 151,377.25, 208,900.61 and 84,309.25 is: 116,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,377.25 : 208,900.61 = 84,309.25 : x
  2. Step 2: Convert to fraction form
    151,377.25/208,900.61 = 84,309.25/x
  3. Step 3: Cross multiply
    151,377.25x = 208,900.61 × 84,309.25
  4. Step 4: Simplify right side
    151,377.25x = 17,612,253,753.64
  5. Step 5: Solve for x
    x = 17,612,253,753.64/151,377.25
  6. Step 6: Final answer
    x = 116,346.77

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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.