Home / 151,114.32-208,540.44-83,136.96

Finding the Fourth Proportional to 151,114.32, 208,540.44 and 83,136.96

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Solution

The fourth proportional to 151,114.32, 208,540.44 and 83,136.96 is: 114,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,114.32 : 208,540.44 = 83,136.96 : x
  2. Step 2: Convert to fraction form
    151,114.32/208,540.44 = 83,136.96/x
  3. Step 3: Cross multiply
    151,114.32x = 208,540.44 × 83,136.96
  4. Step 4: Simplify right side
    151,114.32x = 17,337,418,218.66
  5. Step 5: Solve for x
    x = 17,337,418,218.66/151,114.32
  6. Step 6: Final answer
    x = 114,730.48

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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.