Home / 151,933.26-209,667.09-83,954.92

Finding the Fourth Proportional to 151,933.26, 209,667.09 and 83,954.92

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Solution

The fourth proportional to 151,933.26, 209,667.09 and 83,954.92 is: 115,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,933.26 : 209,667.09 = 83,954.92 : x
  2. Step 2: Convert to fraction form
    151,933.26/209,667.09 = 83,954.92/x
  3. Step 3: Cross multiply
    151,933.26x = 209,667.09 × 83,954.92
  4. Step 4: Simplify right side
    151,933.26x = 17,602,583,767.58
  5. Step 5: Solve for x
    x = 17,602,583,767.58/151,933.26
  6. Step 6: Final answer
    x = 115,857.34

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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.