Home / 151,999.82-209,756.09-83,086.22

Finding the Fourth Proportional to 151,999.82, 209,756.09 and 83,086.22

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Solution

The fourth proportional to 151,999.82, 209,756.09 and 83,086.22 is: 114,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,999.82 : 209,756.09 = 83,086.22 : x
  2. Step 2: Convert to fraction form
    151,999.82/209,756.09 = 83,086.22/x
  3. Step 3: Cross multiply
    151,999.82x = 209,756.09 × 83,086.22
  4. Step 4: Simplify right side
    151,999.82x = 17,427,840,640.08
  5. Step 5: Solve for x
    x = 17,427,840,640.08/151,999.82
  6. Step 6: Final answer
    x = 114,656.98

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1.5x scale

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.