Home / 151,898.07-209,618.34-83,919.43

Finding the Fourth Proportional to 151,898.07, 209,618.34 and 83,919.43

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Solution

The fourth proportional to 151,898.07, 209,618.34 and 83,919.43 is: 115,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,898.07 : 209,618.34 = 83,919.43 : x
  2. Step 2: Convert to fraction form
    151,898.07/209,618.34 = 83,919.43/x
  3. Step 3: Cross multiply
    151,898.07x = 209,618.34 × 83,919.43
  4. Step 4: Simplify right side
    151,898.07x = 17,591,051,610.35
  5. Step 5: Solve for x
    x = 17,591,051,610.35/151,898.07
  6. Step 6: Final answer
    x = 115,808.26

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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.