Home / 151,933.14-209,656.98-83,949.39

Finding the Fourth Proportional to 151,933.14, 209,656.98 and 83,949.39

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Solution

The fourth proportional to 151,933.14, 209,656.98 and 83,949.39 is: 115,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,933.14 : 209,656.98 = 83,949.39 : x
  2. Step 2: Convert to fraction form
    151,933.14/209,656.98 = 83,949.39/x
  3. Step 3: Cross multiply
    151,933.14x = 209,656.98 × 83,949.39
  4. Step 4: Simplify right side
    151,933.14x = 17,600,575,580.24
  5. Step 5: Solve for x
    x = 17,600,575,580.24/151,933.14
  6. Step 6: Final answer
    x = 115,844.22

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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.