Home / 151,918.35-209,659.57-83,941.26

Finding the Fourth Proportional to 151,918.35, 209,659.57 and 83,941.26

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Solution

The fourth proportional to 151,918.35, 209,659.57 and 83,941.26 is: 115,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,918.35 : 209,659.57 = 83,941.26 : x
  2. Step 2: Convert to fraction form
    151,918.35/209,659.57 = 83,941.26/x
  3. Step 3: Cross multiply
    151,918.35x = 209,659.57 × 83,941.26
  4. Step 4: Simplify right side
    151,918.35x = 17,599,088,476.86
  5. Step 5: Solve for x
    x = 17,599,088,476.86/151,918.35
  6. Step 6: Final answer
    x = 115,845.71

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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.