Home / 151,772.44-209,446.23-83,789.52

Finding the Fourth Proportional to 151,772.44, 209,446.23 and 83,789.52

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Solution

The fourth proportional to 151,772.44, 209,446.23 and 83,789.52 is: 115,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,772.44 : 209,446.23 = 83,789.52 : x
  2. Step 2: Convert to fraction form
    151,772.44/209,446.23 = 83,789.52/x
  3. Step 3: Cross multiply
    151,772.44x = 209,446.23 × 83,789.52
  4. Step 4: Simplify right side
    151,772.44x = 17,549,399,239.50
  5. Step 5: Solve for x
    x = 17,549,399,239.50/151,772.44
  6. Step 6: Final answer
    x = 115,629.69

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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.